For the hundreds of climbers who arrived in the Khumbu this spring with their sights set on the summit of Mount Everest, 2026 has become a season of waiting. A vast, unstable block of ice known as a serac has settled itself in the heart of the Khumbu Icefall — the only practical route between Base Camp and the upper mountain — and so far, every attempt to find a safe way past it has failed.
The decision, made after multiple ground inspections, helicopter surveys and drone-based 3D mapping, is unusually blunt for a country whose economy leans heavily on the climbing season. In the words of one of the inspection teams: it is simply not possible to put a rope line through, around, or over this serac safely. The mountain, for now, is closed above the icefall.
What is happening in the Khumbu Icefall
The Khumbu Icefall is the moving river of broken ice that drains the Western Cwm down toward Everest Base Camp at 5,364 metres. It has always been the most feared section of the standard South Col route, and it has been the season's gateway since the first commercial expeditions of the 1980s. Crevasses open and close overnight. Towering ice blocks lean, settle, and occasionally collapse without warning.
This year, an unusually large serac is hanging over multiple sections of the established line. Inspection teams describe ice towers leaning to the left, to the right, and directly above the route. One proposed workaround — lashing fifteen to twenty aluminium ladders together to climb the serac vertically — was rejected as far too dangerous. Instead, the recommendation is the one that always sits uneasily on the shoulders of any guiding company: wait, and let the mountain decide.
"The best alternative is to wait for the serac to collapse on its own. It could be a few days. It could be weeks." — Pemba Sherpa, Executive Director, 8K Expeditions
Why the timing matters so much
Everest has a narrow operating window. The pre-monsoon climbing season runs from early April through May, with most successful summit pushes happening in a handful of weather-stable days in mid-to-late May. When the icefall is closed for even a week, expeditions lose acclimatisation rotations to Camps I and II. When it is closed for two or three weeks, the entire summit window can compress into a single, dangerously crowded weather break.
That compression is the quiet danger no one likes to talk about openly. The 2014 disaster, which killed sixteen Sherpa workers in this exact section of mountain, prompted significant route redesigns intended to reduce overhead hazard. But ice is ice. It moves and behaves on its own schedule.
Who is actually at base camp right now
This spring, Nepal's Department of Tourism issued 410 Everest climbing permits. Once you account for guides, high-altitude workers, kitchen and logistics staff, the population at Everest Base Camp swells to somewhere between 800 and 900 people. Many of them have been there for weeks. Frustration, as you can imagine, is mounting — but so is patience, because the alternative is unacceptable.
British mountaineer Kenton Cool, with nineteen Everest summits to his name, summed up the mood: the serac is still threatening the route, and it could let go tonight, tomorrow, or sometime next week. There is no way to predict it.
The options under discussion
Nepal's Department of Tourism authorised the Expedition Operators Association of Nepal to mobilise expert assessment teams on April 24. Drones operated by Airlift Technology — the same company that pioneered cargo drone deliveries on Everest last season — have produced detailed three-dimensional maps of the serac. The specialised "Icefall Doctors" who fix the ladders and ropes each spring are coordinating closely with the inspection teams.
Two unconventional ideas are being examined seriously:
- Extending the climbing season into mid-June. This pushes operations dangerously close to the monsoon, when warm temperatures further destabilise ice and weather windows shrink to almost nothing.
- Helicopter shuttles directly to Camp II. This would bypass the icefall altogether, lifting climbers over the most dangerous section. It is unprecedented at this scale and raises serious questions about acclimatisation, fairness between expeditions, and what "climbing Everest" actually means if the icefall is skipped.
"We cannot make these decisions in haste. Safety has to come first." — Ram Krishna Lamichhane, Director General, Department of Tourism
What this means if you are heading to Everest Base Camp as a trekker
If you are reading this from home and planning a trek to Everest Base Camp rather than a summit expedition, the news from the icefall does not affect your trip directly. The trekking trail ends at Base Camp itself — you do not enter the icefall. The Lukla flights are running, the lodges in Phakding, Namche Bazaar, Tengboche, Dingboche and Lobuche are open, and the trail is as spectacular as ever.
A few practical things worth knowing for trekkers this season:
- Base Camp will feel busier than usual. With expeditions stalled, more climbers, support staff and journalists are spending extended time there. Expect a more crowded, more energetic atmosphere when you arrive.
- Helicopter traffic is heavier. Inspection flights, drone operations and possible Camp II shuttles mean more helicopter movement around Base Camp and the icefall. This rarely affects trekkers, but photography conditions are unique right now.
- Talk to a Nepali operator before you book. Local teams have far better information than international press. We are at Navigate Globe and we update guests in real time as conditions evolve.
The bigger picture: a warming Himalaya
Beneath the immediate drama of one unstable serac is a slower, harder story. The Khumbu Icefall has been moving differently in recent years. Glaciologists studying the region have documented thinning ice, shifting flow rates, and increasingly unstable seracs as average temperatures rise. The icefall has always been a dangerous place. It is becoming a less predictable one.
That shift is one reason the conversation about helicopter shuttles, bypass routes, and even seasonal restrictions has grown louder. Whatever this season's outcome, the questions it raises will not go away when the current serac eventually collapses.
What we are watching from here
The Icefall Doctors and inspection teams are checking the serac daily. Drone surveys continue. The mountain, as Dawa Steven Sherpa observed, is already "falling piece by piece." The full collapse is almost certainly a matter of time — days or weeks rather than months — and once it happens, the route can be re-evaluated and reopened if conditions allow.
Until then, Everest's summit prospects do not depend on training, equipment, or experience. They depend on a single block of ice and when it decides to fall.
Navigate Globe runs guided treks and expeditions across the Everest region every season. If you are planning a trip to the Khumbu in 2026 or 2027 and want current, on-the-ground information from our local team, get in touch and we will share what we are seeing in real time.
About Navigate Globe Editorial
Field updates and travel guidance from the Navigate Globe team in Kathmandu.
