FAQ’s

Nepal’s South Base Camp sits at the foot of the Khumbu Glacier inside Sagarmatha National Park, northeastern Nepal. Coordinates: 28.0026° N, 86.8528° E. It is roughly 8 km from the Everest summit via the Southeast Ridge — the standard climbing route used by the majority of Everest summiteers.

South Base Camp stands at 5,364 metres (17,598 feet) above sea level. Tibet’s North Base Camp on the opposite side of Everest is approximately 5,150 m (16,900 ft).

No. The summit is hidden behind the West Shoulder and the Khumbu Icefall from Base Camp itself. The best unobstructed view of Everest’s full pyramid is from Kala Patthar (5,644 m), a 1.5–2.5 hour climb from Gorak Shep. Most trekkers visit both on the same day.

South Base Camp (Nepal, 5,364 m) is reached via the Khumbu valley from Lukla and is the starting point for the Southeast Ridge — the route used by Edmund Hillary and Tenzing Norgay in 1953. North Base Camp (Tibet, ~5,150 m) is on the opposite side of Everest, reached by road from Lhasa, and is used for the Northeast Ridge route. They are in different countries and require entirely separate permits.

Kala Patthar (meaning “Black Rock”) is a rocky peak above Gorak Shep at 5,644 m (18,519 ft). It is the highest point reached on the standard EBC trek and provides the best panoramic view of Everest’s summit, Lhotse (8,516 m), Nuptse (7,861 m), Pumori (7,161 m), and the Khumbu Glacier. No ropes or technical equipment are needed to reach the top.

Kala Patthar is 5,644 metres (18,519 feet). The climb from Gorak Shep (5,164 m) takes 1.5–2.5 hours on a steep but non-technical trail. The only difficulty is the altitude and reduced oxygen. Most trekkers start before dawn (4–5 am) to reach the summit at sunrise for the clearest visibility before afternoon clouds build.

On very clear days, mainly in late autumn and winter, Everest’s summit can be seen from elevated points on the northern rim of Kathmandu Valley — Nagarkot (2,195 m) and Dhulikhel are the best spots. From Kathmandu city itself, surrounding hills block the line of sight. Everest is approximately 160 km northeast of Kathmandu.

The Lukla–EBC–Lukla round trip covers approximately 130 km (80 miles) of trail. Daily walking distances range from 10 to 16 km. Actual progress per day is slower than the distance suggests because of significant altitude gain, rocky terrain, and the reduced pace required for safe acclimatization.

The Khumbu valley sits among the world’s highest peaks. Peaks visible from the trail include: Everest (8,849 m), Lhotse (8,516 m), Cho Oyu (8,188 m), Makalu (8,485 m) from high viewpoints, Nuptse (7,861 m), Ama Dablam (6,812 m), Pumori (7,161 m), Thamserku (6,608 m), Kangtega (6,782 m), Island Peak / Imja Tse (6,189 m).

Tengboche Monastery (3,867 m) is the largest Tibetan Buddhist gompa in the Khumbu. Built in 1916 and rebuilt after a 1934 earthquake and 1989 fire, it is the spiritual centre of Sherpa culture. Climbers traditionally receive a blessing (puja) here before Everest expeditions. The annual Mani Rimdu festival, held in October or November, draws pilgrims from across the region.

The standard safe itinerary is 12 to 14 days from Lukla to Lukla, including two mandatory acclimatization days. Twelve days is the practical minimum for healthy trekkers with prior altitude experience. Fourteen days is recommended for first-timers or anyone traveling from sea level.

Day 1: Fly Kathmandu–Lukla (2,860 m), trek to Phakding (2,610 m). Day 2: Phakding to Namche Bazaar (3,440 m). Day 3: Acclimatization in Namche (hike to Everest View Hotel, 3,880 m). Day 4: Namche to Tengboche (3,867 m). Day 5: Tengboche to Dingboche (4,410 m). Day 6: Acclimatization in Dingboche (hike to Nangkartshang Peak ~5,000 m). Day 7: Dingboche to Lobuche (4,910 m). Day 8: Lobuche to Gorak Shep (5,164 m), visit EBC (5,364 m), return to Gorak Shep. Day 9: Sunrise on Kala Patthar (5,644 m), descend to Pheriche (4,288 m). Day 10: Pheriche to Namche. Day 11: Namche to Lukla. Day 12: Fly Lukla to Kathmandu.

Above 3,000 m, the body must adapt to reduced atmospheric oxygen by increasing red blood cell production. The standard guideline is to sleep no more than 300–500 m higher than the previous night and to include at least one rest day for every 3 days of ascent. The two acclimatization stops on EBC are Namche Bazaar (3,440 m) and Dingboche (4,410 m). The principle “climb high, sleep low” — hiking higher during the day then returning to a lower sleeping altitude — speeds up adaptation.

A 10-day itinerary is possible but compresses acclimatization and increases Acute Mountain Sickness risk. It requires eliminating at least one rest day. Most licensed guides and altitude medicine physicians do not recommend it for first-time high-altitude trekkers. It may suit trekkers with recent proven high-altitude experience (above 4,000 m within the previous month).

Before Lukla airport opened in 1965, the approach to EBC began at Jiri (1,905 m), accessible by road from Kathmandu (approx. 7–8 hours). The Jiri–EBC trail covers roughly 180–200 km, adding 7–10 days to the journey. It crosses multiple high ridges and is far less crowded than the Lukla route. Hillary and his team used the Jiri approach in 1953.

The Gokyo route branches west from Namche Bazaar up the Ngozumpa Glacier valley to Gokyo village (4,790 m) and a chain of glacial lakes. Gokyo Ri (5,357 m) offers views of four 8,000-metre peaks simultaneously. The two routes are linked by the Cho La Pass (5,420 m), creating a combined circuit that visits both Gokyo and EBC — typically 18–20 days total.

A demanding circuit crossing three high passes: Renjo La (5,360 m), Cho La (5,420 m), and Kongma La (5,535 m). The route includes visits to Gokyo Lakes and EBC within one continuous trek. Duration: 18–21 days. It is significantly more strenuous than the standard EBC route due to the altitude of all three passes and difficult rocky or snowy terrain at the crossings. Prior high-altitude trekking experience is strongly recommended.

No. EBC is a restricted expedition area. During climbing season (April–May) it is occupied by permitted mountaineering teams only. Trekkers reach EBC during the day on Day 8 and must return to sleep at Gorak Shep (5,164 m), the last lodge village, approximately 2–3 km from Base Camp. Outside climbing season, Base Camp is an empty moraine with no facilities at all.

This itinerary follows the standard 12-day trekking route to EBC on ascent, then takes a helicopter from the Gorak Shep / Kala Patthar area back to Lukla or Kathmandu, replacing 3–4 days of descent walking. It saves time and reduces the physical toll of the long downhill return. Shared helicopter fares from high camp to Kathmandu typically range from USD 350–600 per person depending on season and group size.

Add at least 2 buffer days beyond your planned trek length. Lukla flights cancel due to low cloud, fog, or wind — sometimes for 1–3 consecutive days. If your international connection home has no flexibility, plan to fly out of Lukla at least 3 days before your international departure, or arrange a helicopter charter as a backup exit option.

EBC is rated as a moderate to strenuous trek. The terrain itself — rocky paths, suspension bridges, stone staircases — is not technical. The primary challenge is sustained altitude: spending 5+ days above 4,000 m and reaching 5,364 m. Anyone in reasonable cardiovascular health who trains consistently for 3–4 months can complete the trek.

No. The standard EBC trekking route requires no ropes, ice axes, crampons, or technical climbing knowledge. It is a walking trail from start to finish. The only equipment needed beyond standard trekking gear is trekking poles, which significantly reduce knee strain on the long descents.

A solid 3–4 month preparation plan should include: cardiovascular base training (running, cycling, swimming — 4–5 sessions per week), stair climbing with a weighted daypack (12–15 kg), progressive day hikes increasing in distance and elevation gain, and ideally at least one multi-day backpacking trip before departure. Leg strength and aerobic capacity matter more than upper body strength.

Start training at least 3–4 months before your trek date. Six months is ideal for beginners starting from a low fitness base. The final 4–6 weeks before departure should include regular long hikes with a loaded pack to simulate trail conditions.

There is no official upper or lower age limit set by the Nepal government for the EBC trek. The oldest recorded trekker to reach EBC was in their mid-80s. However, anyone with pre-existing cardiovascular, pulmonary, or neurological conditions must consult a doctor before attempting high-altitude trekking. Children under 10 are generally not recommended for altitudes above 4,000 m.

Children aged 10–12 and above can complete EBC with proper pacing and parental supervision. Children acclimatize at roughly the same rate as adults. The concern is that younger children may not reliably communicate early AMS symptoms. Medical guidance recommends not taking children below age 10 above 3,500 m without specific medical consultation.

Daily walking time ranges from 4 to 7 hours depending on the day. Daily distances range from 10 to 16 km but feel longer because of altitude gain and rocky terrain. The longest days are Namche to Tengboche and the Dingboche–Lobuche–Gorak Shep–EBC section. Descent days (after summiting Kala Patthar) often cover more distance in less time.

The trail is predominantly rocky paths with significant elevation gain and loss. Stone staircases appear frequently, particularly approaching Namche Bazaar and Tengboche. Very little of the route is flat. Above Dingboche the path becomes more rugged, transitioning to glacial moraine at Lobuche and Gorak Shep. The final approach to EBC crosses the rocky lateral moraine of the Khumbu Glacier.

Most trekkers who have completed both rate EBC as the more demanding overall experience. EBC takes 12+ days (vs. 6–8 for Kilimanjaro), covers more total distance, requires a longer sustained period above 4,000 m, and involves more cumulative fatigue from the terrain. Kilimanjaro’s summit night push to 5,895 m is the hardest single day, but EBC’s multi-week duration at altitude is physically more taxing overall. Both are achievable without technical climbing skills.

A genuinely sedentary person who does not train before the trek is very likely to struggle with AMS, fatigue, and the daily walking demands above 4,000 m. With 3–4 months of consistent training, someone who was previously inactive can successfully complete EBC. The trek rewards preparation. Going without training is not advised — it increases risk and significantly reduces the chance of reaching Base Camp.

The two best seasons are Autumn (October–November) and Spring (March–May). October and November offer the most stable weather, driest skies, and sharpest mountain visibility after the monsoon clears. March, April, and early May bring milder daytime temperatures with rhododendrons blooming at lower elevations, though May can bring pre-monsoon afternoon cloud buildup.

Daytime temperatures at Namche Bazaar (3,440 m) range from 5–15°C. At Gorak Shep (5,164 m) nights drop to -10°C to -20°C. March is cold but clear. April is peak Everest climbing season — Base Camp fills with expedition teams. May brings increasing afternoon cloud and occasional pre-monsoon snow. Rhododendron forests below Namche bloom in March–April.

Autumn is generally the most reliable season. The monsoon clears by mid-September, leaving stable skies and excellent visibility. October is the most popular and busiest month. Daytime temperatures are similar to Spring; nights get progressively colder through November, reaching -15°C to -25°C at Gorak Shep. Trail conditions are dry and firm.

Winter trekking is possible for experienced cold-weather trekkers. Trails are largely uncrowded and visibility can be crystal clear. However, nighttime temperatures at Gorak Shep fall to -25°C to -30°C, strong winds are common above 5,000 m, and some higher-altitude tea houses close for the season. Proper extreme-cold gear is essential. The Khumbu region stays open to trekkers year-round.

The monsoon brings heavy rain to the lower sections of the trail (below ~3,500 m), leeches on paths below Namche, landslide risk on some sections, and persistent cloud cover blocking mountain views. Above 4,000 m, rain converts to snow, making trails slippery. Most experienced trekkers avoid EBC during monsoon. A small number of trekkers do go during this period and find very few other people on the trail.

At Gorak Shep (5,164 m) and Lobuche (4,910 m) during October–November, inside bedroom temperatures can drop to -5°C to -15°C at night. Tea house rooms have no heating. A sleeping bag rated to at least -10°C comfort (ideally -15°C) is essential. Common rooms with a central stove are warmer but are not heated through the night.

Light snowfall can occur above 4,000 m at any time of year, including in Spring and Autumn. Fresh snow is most common in early mornings at higher elevations. Heavy snowfall that closes trails is rare in peak season but does happen — particularly in October after a late monsoon or in April–May during unsettled pre-monsoon periods. Snow above Lobuche (4,910 m) is common and paths can be icy before sunrise.

Autumn (October–early November) generally offers the sharpest and most reliable visibility. The air is dry and settled after monsoon. Spring can have equally clear mornings but afternoon cloud builds faster as the season progresses toward May. Winter (December–January) can also produce exceptional clarity, but extreme cold is the trade-off.

The main Everest climbing season is April and May (Spring). Teams arrive at Base Camp from late March onward to acclimatize and prepare. Most summit attempts occur in a narrow weather window in mid-to-late May. A smaller autumn climbing season operates September–October. EBC is at its most active — and most visually impressive — in April and early May.

October is the busiest month. Popular tea houses in Namche, Tengboche, Dingboche, and Lobuche fill up, and some trekkers find themselves without a private room if they arrive late in the day without prior bookings. The trail itself between Namche and Tengboche can feel crowded. Booking tea houses in advance through your trekking agency is strongly advised for October travel.

A standard 12–14 day EBC trek with a reputable Nepali agency costs approximately USD 1,200–2,500 per person (including Kathmandu–Lukla flights, permits, guide, porter, tea house accommodation, and meals). International operators charge USD 3,000–6,000+. Budget independent trekkers (with guide) spend USD 900–1,400 total. Costs vary by season, group size, and lodge standards chosen.

Nepali agencies have direct supplier relationships, local staff, and lower operating overheads. International operators add marketing costs, agent commissions, western staff salaries, and profit margins. The guides, porters, tea houses, and trails used are generally identical — the difference lies in administrative costs, support levels, and inclusions such as sleeping bag rental, insurance, or pre-trek briefings.

Two permits are required: (1) Sagarmatha National Park Entry Permit — required for all trekkers entering the park. (2) Khumbu Pasang Lhamu Rural Municipality Trekking Fee — collected at the checkpoint in Lukla or Monjo. TIMS (Trekkers’ Information Management System) cards are not required for the Khumbu/EBC region as of recent years. Verify current requirements with the Nepal Tourism Board before departure, as permit regulations are updated periodically.

The permit can be obtained at the Nepal Tourism Board office in Kathmandu (Pradarshani Marg, Kathmandu) or at the park entrance checkpoint at Monjo on the trail, just before entering the national park. Your trekking agency typically handles this permit as part of their pre-departure logistics.

This is a local trekking fee collected by the Khumbu Pasang Lhamu Rural Municipality — the local government body that administers the Khumbu valley including Namche Bazaar, Tengboche, and areas up to Everest Base Camp. The fee funds local infrastructure, trail maintenance, and conservation programs. It is collected at checkpoints in Lukla or Monjo. The fee amount is set by the local municipality and is updated periodically.

As of 2023, the TIMS card is not required for trekking in the Khumbu region (Sagarmatha zone) when trekking with a registered Nepali trekking agency. The Sagarmatha National Park permit and the Khumbu Pasang Lhamu permit serve as the required documentation. Always confirm the current requirement with the Nepal Tourism Board or your trekking agency before departure, as regulations can change.

Budget NPR 2,000–4,000 (approximately USD 15–30) per day for personal expenses on top of your package cost. This covers hot showers (NPR 200–1,000 depending on altitude), device charging fees (NPR 200–800), extra snacks and soft drinks, alcoholic beverages, and tips. Prices increase significantly as altitude increases.

Namche Bazaar (3,440 m) has ATMs from Nepal Credit and Commerce Bank and Everest Bank. These are the only reliable ATMs on the entire trail. They do run out of cash during peak season and connection outages are common. Withdraw all the cash you need in Kathmandu before departure. Above Namche, there are no ATMs.

A limited number of lodges and shops in Namche Bazaar accept credit cards (primarily Visa and Mastercard). Above Namche, virtually all transactions are cash only. Do not rely on card payments anywhere above Namche. Some agencies accept card payment in Kathmandu for trek packages, but day-to-day expenses on the trail require Nepali Rupees in cash.

Nepali Rupees (NPR) is the required currency throughout the trail. Some lodges in Namche will accept USD as payment, but the exchange rate offered is unfavorable. Exchange money to NPR at banks or authorized exchange counters in Kathmandu before departure. Indian Rupees are also widely accepted in Nepal (at approximately 1.6 NPR per INR) but are less useful on the high trail.

The standard trek begins at Lukla (2,860 m), a small mountain town in the Solukhumbu district reached by a 35-minute flight from Kathmandu or a 20-minute flight from Manthali/Ramechhap. Lukla is where the Khumbu valley trail starts and where trekkers return to fly back to Kathmandu at the end.

By scheduled mountain flight operated by airlines including Tara Air, Summit Air, and Sita Air. Flights depart from Tribhuvan International Airport (KTM) in Kathmandu or from Manthali Airport (RMH) in Ramechhap (approx. 4–5 hours from Kathmandu by road). Flight duration: ~35 minutes from KTM, ~20 minutes from Manthali. Seats are limited and must be booked well in advance during peak season.

Kathmandu’s Tribhuvan International Airport has restricted morning landing slots for small mountain aircraft due to international flight scheduling. During peak trekking seasons (October–November, March–May), the Civil Aviation Authority of Nepal (CAAN) diverts many Lukla-bound flights to Manthali Airport in Ramechhap to reduce KTM congestion. Trekkers must travel to Manthali by private vehicle the evening before, departing Kathmandu around midnight or 1 am to arrive for 5–6 am check-in.

Airlines rebook affected passengers on the next available flight at no additional charge. Delays of 1–3 consecutive days are not unusual, especially in May and November when weather is more unpredictable. Most trekking agencies arrange standby seats across multiple airlines to maximize rebooking speed. If delays exceed 2–3 days, a helicopter charter to Lukla is an option (USD 400–600+ per person). Always maintain buffer days in your schedule.

Mountain airlines serving Lukla enforce a strict 10–15 kg total baggage limit (including carry-on), depending on the airline. This covers your trek duffel bag that the porter carries and a small daypack. Excess baggage fees apply per kilogram. Pack light and transfer non-essential items into hotel storage in Kathmandu before departure.

Tenzing-Hillary Airport has a runway of only 527 metres (one of the shortest in the world for scheduled commercial service), built on a mountainside at 2,860 m with a 12% gradient. The runway ends at a cliff edge. Approaches are one-directional — aircraft land uphill and take off downhill. Weather conditions (cloud, wind, visibility) can change within minutes. All operations depend on visual flight rules (VFR) with no instrument landing system (ILS).

No road reaches Lukla or any village above it on the standard EBC route. The nearest roadhead south of Lukla is Salleri or Phaplu (by 4WD on rough mountain roads from Kathmandu, 8–10 hours). From Phaplu it is a 2–3 day additional walk to Lukla. There is no road access to Namche, Tengboche, Dingboche, Lobuche, Gorak Shep, or EBC.

A full private helicopter charter (typically a Bell 407 or similar, seating 5 passengers) from Kathmandu to EBC area and back costs approximately USD 4,000–6,000+ for the whole aircraft. Shared “social” helicopter seats on scenic flights are available at approximately USD 300–600 per person one-way to Lukla or the high Khumbu. Prices vary with season, fuel costs, and flight route.

Trekkers follow the standard 12-day ascent itinerary. On the final descent day (normally Day 9 from Gorak Shep), instead of walking down, a pre-booked helicopter picks trekkers up from Gorak Shep or a nearby landing pad (weather permitting) and flies them directly to Lukla or Kathmandu. This eliminates 3–4 days of descent walking. The helicopter portion costs approximately USD 350–600 per person on a shared flight arranged through your agency.

Options include: (1) Helicopter charter from Lukla to Kathmandu (most reliable in acceptable weather, USD 400–600/person shared). (2) Overland exit — walk to Phaplu or Salleri (2–3 days) and take a jeep. (3) Try flights from Manthali, which sometimes clears when KTM-routing is closed. Travel insurance that covers trip delay and helicopter evacuation is essential for this reason.

A tea house (also called a lodge or bhatti) is a family-run guesthouse that provides simple rooms and meals. They are the only accommodation available along the EBC trail and form the entire trekking infrastructure of the Khumbu valley. Tea houses range from very basic at high altitude to comfortable and well-equipped at Namche Bazaar.

Most tea houses offer private twin-sharing rooms with two single beds, a pillow, and blankets. Dorm beds exist at some lodges and cost less. Rooms above 4,500 m are basic: thin walls, no insulation, no heating. Your trekking agency’s package normally includes private twin-share rooms. Bring your own sleeping bag — lodge blankets alone are insufficient at high altitude.

Yes. The Yeti Mountain Home chain (lodges at Phakding, Namche, Dole, Machhermo, Gokyo, Thame) and Everest Summit Lodges offer heated en-suite rooms, Western-style food, Wi-Fi, and mountain-facing windows. The Hotel Everest View near Namche (3,880 m) has panoramic mountain views. Luxury lodge rates range from USD 150–400+ per person per night including meals.

During peak October–November and April–May, yes — particularly in Namche, Tengboche, and Dingboche, which fill up fast. Your trekking agency normally pre-books all accommodations as part of the package. Independent trekkers traveling in peak season should book ahead. Outside peak season, walk-in is generally possible.

Most tea houses up to Dingboche (4,410 m) have both squat and sit-down toilets, some attached to rooms, most shared. Above Dingboche, facilities become more basic — typically simple squat toilets in a separate outdoor block. At Gorak Shep (5,164 m), facilities are very basic. Always bring toilet paper and hand sanitizer. Use designated toilet areas; never relieve yourself near water sources.

Hot or warm showers are available at most lodges up to Dingboche (4,410 m). They are heated by solar panel, electric boiler, or gas. Above Dingboche, hot showers become scarce and are often lukewarm. At Lobuche (4,910 m) and Gorak Shep (5,164 m), showers may not be available or functional. Most trekkers use wet wipes above 4,500 m.

Hot shower fees increase with altitude: NPR 200–400 at lower elevations (Phakding, Namche), NPR 400–700 at mid-altitude (Tengboche, Dingboche), and NPR 700–1,200 where available above 4,500 m. These fees are separate from room and meal costs.

Most tea houses from Lukla to Gorak Shep have electricity generated by micro-hydro or solar power. USB and standard plug sockets are available. Reliability decreases with altitude — supply is less consistent above Lobuche. Carry a power bank (20,000 mAh) and charge it at every opportunity. Camera batteries drain faster in the cold.

Charging fees: NPR 200–300 per device below Namche, NPR 300–500 at Namche and Tengboche, NPR 500–800 at Dingboche and Lobuche, NPR 800–1,200 at Gorak Shep. These fees reflect the genuine cost and difficulty of generating power at altitude. A power bank eliminates most charging dependency.

Bedrooms in tea houses are not heated. Common dining rooms have a central stove burning wood or yak dung that heats the shared space in the evening, but this is turned off overnight. A sleeping bag rated to at least -10°C comfort (-15°C ideal) is non-negotiable for sleeping comfortably at Lobuche and Gorak Shep. Thermal base layers and a warm hat for sleeping are also recommended.

Menus at EBC tea houses offer: Dal bhat (the national staple), pasta, noodle soup, fried rice, Sherpa stew, momo (steamed dumplings), garlic soup, porridge, pancakes, toast with jam, yak cheese, eggs, and local honey. Pizza and burgers are available in Namche. Above Namche menus simplify as altitude increases and supply logistics become harder. Snickers bars, biscuits, and instant noodles are available at lodges throughout.

Dal Bhat is Nepal’s national dish: steamed rice served with lentil soup (dal), seasonal vegetable curry, pickle (achar), and sometimes a small portion of meat or papadam. It is nutritionally balanced, high in carbohydrates for energy, warm, and filling. Most lodges offer unlimited refills of rice and dal with each serving. It is cooked fresh daily and is the safest and most energy-efficient meal for trekking at altitude.

Vegetarian food is widely available at all tea houses — most of the standard menu is already vegetarian. Vegan options (no dairy, no eggs) require communicating your needs to the lodge in advance; it is possible but requires active communication. Gluten-free is challenging as most dishes use wheat noodles, bread, or pasta, but rice-based dishes (dal bhat, fried rice) are naturally gluten-free and available everywhere. Inform your guide before departure.

Refrigeration is unreliable or non-existent above Namche. Chicken and buffalo (buff) meat is carried up by porter or yak and may not be fresh. Most experienced trekkers and guides recommend avoiding meat above Namche Bazaar (3,440 m). Local yak meat and yak cheese are safer choices at altitude as they are produced locally. Food poisoning at altitude is far more dangerous than at sea level because it causes dehydration that worsens AMS.

Three reliable methods: (1) Boiled water — available at all tea houses for free or a small charge; ask for “boiled water” explicitly. (2) UV purification — a SteriPen UV purifier kills all pathogens in 90 seconds. (3) Chemical treatment — iodine or chlorine tablets. All three are effective. Water from rivers and streams should always be treated before drinking. Bring 2 x 1-litre reusable bottles and a wide-mouth bottle for chemical treatment.

Yes, single-use plastic water bottles are sold at every lodge. Prices increase steeply with altitude: approximately NPR 100–150 at Namche, NPR 200–300 at Dingboche, and NPR 400–600 at Gorak Shep. Single-use plastic is a serious environmental issue in Sagarmatha National Park. Using a reusable bottle with purification is strongly recommended both environmentally and economically.

Highly recommended. While boiled water from tea houses is safe, having your own purification as backup is important for moments when boiled water is unavailable or uncertain. A SteriPen UV purifier (requires batteries or USB charging) is fast and effective. Iodine tablets are cheaper and require no power. Sawyer Squeeze or Lifestraw filters also work well. Bring one primary and one backup method.

Alcohol impairs acclimatization by suppressing the brain’s respiratory drive, causes dehydration, and disrupts sleep — all of which worsen altitude sickness. Moderate alcohol consumption at lower elevations (Lukla, Namche) is a personal choice many trekkers make. Above Namche and particularly above 4,000 m, alcohol should be avoided entirely. Everest Beer is brewed in Nepal and widely available at lower tea houses.

Good trail snacks to bring from Kathmandu (prices are much lower than on the trail): energy bars (Clif, Snickers), mixed nuts and dried fruit, instant oatmeal sachets, electrolyte powder sachets (important for hydration), glucose biscuits, dark chocolate, peanut butter sachets, and instant coffee or tea bags. Avoid foods with strong smells — altitude reduces appetite and strong-smelling foods become unappealing above 4,500 m.

Everything above Lukla is carried by porters and pack animals (yaks, dzo — yak-cattle crossbreeds, and donkeys). There are no roads above Lukla and no mechanical transport. This supply chain limits the volume and weight of goods that can reach higher villages, directly causing prices to increase with altitude. A single porter carries 20–30 kg; a yak carries 60–100 kg. Helicopter supply drops are used for some goods at the highest elevations.

AMS is the body’s reaction to reduced oxygen pressure at altitude. As altitude increases, atmospheric pressure drops, meaning each breath contains fewer oxygen molecules. The body responds by breathing faster (hyperventilation) and increasing heart rate, but these adjustments take time. AMS develops when ascent is faster than the body can adapt. It typically begins above 2,500 m and becomes more common above 3,500 m.

Early AMS symptoms include: persistent headache (the most common first sign), fatigue disproportionate to exertion, loss of appetite, nausea, dizziness, and disturbed sleep. These symptoms typically develop within 6–12 hours of arriving at a new higher altitude. Mild AMS symptoms are common and usually resolve with rest. The critical rule: if symptoms worsen rather than improve after 24 hours of rest, descent is mandatory.

HAPE (High Altitude Pulmonary Edema) is a life-threatening accumulation of fluid in the lungs. Symptoms: breathlessness at rest, gurgling or crackling sounds when breathing, pink or frothy cough, extreme weakness. HACE (High Altitude Cerebral Edema) is fluid accumulation in the brain. Symptoms: severe persistent headache unresponsive to ibuprofen, loss of coordination (cannot walk a straight line), confusion, and eventually loss of consciousness. Both are medical emergencies requiring immediate descent of at least 300–1,000 m and evacuation to a medical facility.

Proven prevention measures: (1) Ascend slowly — follow the standard itinerary with built-in rest days. (2) Climb high, sleep low — hike to a higher altitude during the day, return to a lower elevation to sleep. (3) Stay hydrated — drink 3–4 litres of water per day. (4) Avoid alcohol and sleeping pills above 3,000 m. (5) Listen to your body — report any symptoms to your guide immediately. (6) Do not ascend with symptoms — rest until they fully resolve.

Diamox at 125 mg twice daily has strong evidence for reducing AMS risk and is recommended by the Wilderness Medical Society for high-altitude trekking. It works by stimulating faster and deeper breathing, which accelerates acclimatization. Common side effects: increased urination (carry enough toilet paper), tingling in hands and feet, and increased sensitivity to sunlight. Diamox should not be taken by people allergic to sulfonamides. Consult a doctor before taking. It reduces AMS risk but does not replace slow ascent — both are recommended.

Standard protocol: (1) Stop ascending immediately. (2) Rest at the current altitude if symptoms are mild; descend 300–500 m if they worsen. (3) Administer supplemental oxygen if available. (4) Use a Gamow portable hyperbaric pressure bag if available at the lodge (some Khumbu lodges have them). (5) Administer Diamox if not already taking it. (6) For HAPE or HACE symptoms, descend immediately regardless of time of day or night — never wait for morning. Helicopter evacuation should be arranged simultaneously.

Drink 3–4 litres of water per day while trekking above 3,000 m. Dehydration at altitude worsens AMS symptoms significantly and is extremely common because altitude suppresses the sense of thirst. Urine colour is the best indicator — aim for pale yellow. Herbal teas, soups, and warm drinks count toward your daily fluid intake. Avoid excessive caffeine, which has a mild diuretic effect.

For healthy, well-prepared trekkers who follow a proper acclimatization schedule, the EBC trek is not fundamentally dangerous. The trail itself presents no technical hazards. The risks come from altitude illness (preventable with slow ascent and early recognition of symptoms), and from weather (manageable with proper gear and season choice). Following the golden rule — “if in doubt, descend” — eliminates most serious risk. The Himalayan Rescue Association reports that the majority of altitude-related deaths on EBC result from ignoring symptoms and continuing to ascend.

The Himalayan Rescue Association (HRA) operates a medical clinic at Pheriche (4,240 m) staffed by volunteer physicians during trekking season (March–May, October–November). It provides altitude illness diagnosis, treatment, and emergency referral. Namche Bazaar has a government hospital with basic facilities. Some lodges at Pheriche and Dingboche have oxygen and Gamow bags. Above Pheriche, there are no medical facilities until Kathmandu.

Your policy must explicitly cover: (1) Emergency helicopter evacuation from altitudes up to 5,500 m (many standard policies only cover to 4,500 m — read the small print). (2) Medical repatriation to your home country. (3) Trip cancellation and delay (for Lukla flight delays). (4) High-altitude trekking specifically — some adventure sports exclusions rule out trekking above certain altitudes. Helicopter evacuation from Khumbu to Kathmandu costs USD 3,000–8,000 and must be paid upfront if you have no coverage. Always carry a printed copy of your insurance policy and emergency numbers.

Footwear: waterproof trekking boots (broken in), wool or synthetic trekking socks (3–4 pairs). Layers: thermal base layer top and bottom, fleece mid-layer, down or synthetic insulated jacket, waterproof shell jacket and pants. Head & hands: warm hat, balaclava or buff, UV-blocking sunglasses, waterproof gloves. Sleeping: sleeping bag rated to -10°C comfort (-15°C ideal). Gear: trekking poles (foldable), daypack (25–35L), duffel bag for porter. Essentials: headlamp + spare batteries, sunscreen SPF 50+, lip balm, 2 x 1L water bottles, purification (SteriPen or tablets), first aid kit (Diamox, ibuprofen, rehydration salts, blister kit), power bank, travel insurance documents.

Look for: waterproof Gore-Tex lining (essential for stream crossings and snow), stiff mid-sole (for rocky moraine terrain above 4,500 m), good ankle support, and Vibram-type rubber outsole for grip on wet rocks. The single most important factor is fit — boots must be broken in for at least 4–6 weeks before the trek to prevent blisters. Do not wear brand-new boots on the trail.

Kathmandu’s Thamel district has hundreds of outdoor gear shops selling both genuine branded items and high-quality local versions at significantly lower prices than Europe, North America, or Australia. Rental gear (sleeping bags, down jackets, trekking poles, crampons) is available at approximately NPR 100–400 per day per item. Buying originals in Kathmandu is cheaper than at home. Quality varies widely — inspect items carefully. Your guide or agency can recommend reliable shops.

A sleeping bag with a comfort rating of -10°C is the minimum for Lobuche (4,910 m) and Gorak Shep (5,164 m) during peak season. A -15°C comfort-rated bag is recommended for winter and for cold sleepers. Down sleeping bags are preferred for their warmth-to-weight ratio. Synthetic bags remain warm when wet but are heavier. Most rental bags in Kathmandu are adequate but check the temperature rating before renting.

In April 2023, the Nepal government introduced a regulation requiring all foreign trekkers to be accompanied by a licensed guide — solo independent trekking without a guide is no longer permitted for foreign nationals in most trekking areas, including the Khumbu. A licensed guide must be registered with the Nepal Tourism Board and hold a valid guide license. Always verify the current regulation with the Nepal Tourism Board before departure, as implementation and enforcement have evolved.

A licensed trekking guide is responsible for navigation, communicating with tea house owners, monitoring trekkers’ health, making altitude-related decisions (including ordering descent if AMS develops), handling permits, and providing cultural and natural history information. A porter carries your duffel bag (up to 20–25 kg per porter) and is responsible only for transporting luggage. Porters should be provided with proper gear, adequate pay, and accommodation by the agency — not left to manage themselves. Most standard EBC packages include both a guide and a porter.

The Nepal Tourism Board guideline and the ethical standard set by the International Porter Protection Group (IPPG) is a maximum of 20–25 kg per porter (excluding the porter’s own personal gear). Some agencies push porters to carry 30+ kg — this is unethical and harmful. When booking, confirm that your agency complies with porter welfare standards. Reputable agencies in Nepal, including Everest Trekking Company, follow these standards.

Wi-Fi is available at most tea houses from Lukla to Namche and up to Dingboche, provided via satellite (Everest Link network). Coverage becomes unreliable above Dingboche and often unavailable at Lobuche and Gorak Shep. Speeds are slow (1–5 Mbps at best). Most lodges charge a session fee (NPR 300–700 for a fixed-hour session). Video calls and large downloads are generally not practical on the high route. Texting and email work adequately at most stops.

Ncell (private) generally provides better 4G data coverage through the main Khumbu valley from Lukla to Namche and along the primary trail to Dingboche. Nepal Telecom (NTC/government) has better coverage in some remote off-trail areas. Many trekkers carry both SIMs. Buy a SIM card with a data pack in Kathmandu — SIM registration requires your passport. Signal becomes unreliable above Dingboche on both networks.

Drone use inside Sagarmatha National Park is strictly prohibited without prior written permission from the Department of National Parks and Wildlife Conservation (DNPWC) of Nepal. Permission is rarely granted to recreational trekkers. Penalties include confiscation of equipment and fines. The restriction exists to protect wildlife (particularly migratory birds), respect expedition operations, and maintain the quiet environment of the national park.