The World's Most Dangerous Airport Has No Go-Around Option — and It's the Only Way to Everest

Tenzing-Hillary Airport's runway is shorter than five football pitches, tilts uphill at nearly 12%, and ends in a rock wall on one side and a valley drop on the other — every Everest trekker flies through it anyway.

LR By Laxman Rawal · Aug 16, 2026 · 3 min read · ▶ Web Story

The World's Most Dangerous Airport Has No Go-Around Option — and It's the Only Way to Everest

At a glance

PublishedAug 16, 2026
TopicFlights & Access
Verified againstForbes
Treks coveredEverest Base Camp Trek — 14 Days, Everest Base Camp Helicopter Tour — 1 Day, Everest Base Camp Trek — 10 Days

Blink and you would miss the runway. Tenzing-Hillary Airport in Lukla is 527 metres long — about a sixth the length of Kathmandu's own runway — and tilts uphill at an 11.7% gradient. One end stops at a solid rock wall; the other falls away into the Dudh Koshi valley. There is no possibility of a go-around if a pilot gets the approach wrong. And yet tens of thousands of foreign trekkers fly through it every year, because short of a multi-day walk from the nearest road, there is no other way toward Everest.

Key facts

Runway: 527 metres long, 20 metres wide — a fraction of a normal international strip
Gradient: 11.7%, built uphill so the slope itself acts as a natural brake on landing
Elevation: roughly 2,845 metres (9,383 ft) above sea level, with no radar — pilots fly entirely by sight
Deadliest crash: an October 2008 Yeti Airlines flight killed 18 people on board

Aviation histories and local accounts credit the strip's 1964 construction to a request from Sir Edmund Hillary, who needed a way to fly building material into the Khumbu for the schools and hospital his Himalayan Trust was building after his and Tenzing Norgay's 1953 first ascent of Everest. In 2008 the airport was formally renamed Tenzing-Hillary Airport in honour of both men. It remains the single busiest gateway to the Everest region, and one of the few airstrips anywhere still flown almost entirely on eyesight and experience rather than instruments.

Forbes and aviation safety writers who have studied Lukla point to the same five compounding hazards: a runway barely a sixth the length international jets expect; thin high-altitude air that saps engine and lift performance; steep terrain hemming in the strip on every side; fast-changing Himalayan cloud that can close the valley within minutes; and the total absence of a go-around — once a Twin Otter commits to the slope, it is landing, one way or another. Nepal's Civil Aviation Authority responds by licensing only specially rated pilots: a minimum of 100 logged short-takeoff-and-landing flights, at least a year of flying experience inside Nepal, and ten supervised Lukla landings alongside a certified instructor before anyone flies the route solo. Flights operate under visual flight rules only, in daylight, and almost always before mid-morning, since cloud typically rolls up the valley by early afternoon and can shut the strip for the rest of the day.

Runway length: Lukla vs. a standard international airport

Lukla (Tenzing-Hillary)527 m

Kathmandu (Tribhuvan Intl.)3,050 m

What this means for trekkers

What this means for you

This is also why almost every Lukla-bound flight in the two peak trekking seasons — mid-March to May, and late September to November — now departs not from Kathmandu but from Manthali airport near Ramechhap, about 132km east. Manthali sits far lower, clears earlier in the morning, and cuts the hop to Lukla to roughly 15–20 minutes instead of 30–35, easing pressure on Kathmandu's single congested runway. In practice that means a pre-dawn hotel pickup, a four-to-five-hour road transfer, and then a short, weather-permitting flight — so build at least one or two spare days into any Everest Base Camp itinerary for fog delays, which are routine rather than rare. Trekkers who would rather skip the dice roll altogether can fly straight from Kathmandu on our EBC helicopter route, bypassing Lukla's fixed-wing schedule entirely. Whichever way you fly in, the pilots making that final turn onto the slope are among the most specifically trained short-field aviators in the world — it is precisely why the safety record, given the terrain, has held up as well as it has.

Source: Forbes

Cover photo: Bigforrap via Wikimedia Commons (CC BY 3.0).

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