Nepal's deadliest flood in a decade hit right before trekking season — is the trip still on?

On 26 August a flash flood tore through the Bhote Koshi–Trishuli corridor on the Nepal–Tibet border, near the Gyirong/Rasuwa crossing that funnels much of the region's pilgrim and freight traffic. By 2 September, Nepal's death toll had reached more than 1,259, with 5,083 still missing; across the border in Tibet, authorities counted 21 dead and 541 missing. Nepal's tourism department said 668 foreign trekkers from 34 countries had gone silent in the flood's immediate aftermath — a number alone enough to trigger cancellations before the death toll was even confirmed. On 3 September, with peak autumn trekking season about to open, the Nepal Tourism Board launched a #NepalCalling campaign to talk hotels and trekking agencies back from the brink.

The flood shut one valley, not the season

Only the Langtang, Gosaikunda and Tamang Heritage routes — all fed by the same Trishuli valley the flood tore through — are suspended, with operators pricing a reopening no earlier than late September. Langtang has been here before: the 2015 earthquake buried the village itself in a landslide that killed over 350 people, so this is the same valley's second catastrophe in a decade. Everest (via Lukla), the Annapurna Circuit and Base Camp, Manaslu, Kanchenjunga, Dhaulagiri, Dolpo and Upper Mustang are all running on their normal autumn schedule — the bulk of Nepal's trekking business, untouched by a flood that dominated headlines for a week.

The entry costs haven't blinked

Cathay Pacific's direct Hong Kong–Kathmandu run, seven flights a week, is still pricing from around HK$5,800 return — no disaster discount, no surcharge. A Hong Kong passport still needs a US$50 (about HK$390) 30-day visa on arrival, same as before the flood. Trekking permits haven't moved either: Everest's Sagarmatha park and Khumbu municipality fees run US$50, Annapurna's ACAP and TIMS combo is US$42 — call it HK$700-780 in visa-plus-permits before you've booked a single teahouse. The one number that has shifted in trekkers' favour is the rupee: HK$1 now buys roughly 19.4 Nepalese rupees, up from about 18.5 in February, a quiet 5% gain in local spending power that has nothing to do with the flood.

Quieter trails, not cheaper ones

One Kathmandu hotel reported roughly 20% of its peak-season bookings already cancelled; a hostel operator is forecasting autumn occupancy near 60%. Nobody in the trade is publishing guide or teahouse discounts yet — expect a shorter queue for a Base Camp room, not a lower bill.

Still worth it?

If Langtang or Gosaikunda was the plan, that trip is on hold, not merely delayed — get a written answer from your agency on the reopening date and refund terms first. For every other route above, nothing operational has changed: flights run, permits and visa fees are unchanged, and the rupee is friendlier than it was in spring. What has changed is the case for evacuation-inclusive insurance on any Himalayan booking this season — cheap against the trip's total cost, and the one line item this flood just made worth reading twice.