Nepal Flood 2026: Trekking Routes Affected and Operating

LAST UPDATED: August 28, 2026 — Nepal Time

Flood and landslide conditions can change quickly. Trekking and road access should always be confirmed with local authorities and your trekking operator before departure.

On August 26, 2026, a glacial collapse on the Nepal–Tibet border triggered a flash flood on the Bhote Koshi and Trishuli rivers that struck Rasuwa and Nuwakot districts with almost no warning. Nepali authorities have confirmed 270+ deaths, and the Nepal Tourism Board listed hundreds of tourists as out of contact in the immediate aftermath, most of them foreign nationals who were trekking or on pilgrimage in the Langtang–Gosaikunda corridor. Search and rescue operations are ongoing.

Two days on, the Trekking Agencies' Association of Nepal (TAAN) has issued an official destination-by-destination safety status for the country's major trekking routes, and this article is built directly on that notice. It's the clearest, most authoritative picture available right now of what's actually closed, what's safe, and what alternate routes exist. 

Quick Answer: Can You Still Trek in Nepal After the Flood?

Yes, in almost every region. TAAN's official notice confirms that Everest, Kanchenjunga, Makalu, Rolwaling, Helambu, Annapurna (Manang & Mustang), Dhaulagiri, Dolpa, Rara & Jumla, Humla, and Nepal's Far West are all unaffected. Within the flood-hit Trishuli corridor itself, Langtang, Gosaikunda, Ganesh Himal/Ruby Valley, and Manaslu are confirmed as safe destinations — it's specific access roads into them that are closed, and TAAN has published working alternate routes for each. The one route genuinely closed for the season is the Kailash Mansarovar overland trip via Rasuwagadhi/Kerung.

Current Nepal Flood Situation

At roughly 9 a.m. on August 26, 2026, a glacial collapse above the Lhende Khola — a tributary of the Bhote Koshi — released a sudden surge of water and debris into Rasuwa district from the Tibetan side of the border. It struck Timure and Syabrubesi within minutes, destroying homes, market areas, police posts, the Timure helipad, and hydropower infrastructure, and tearing out road and bridge sections along the Trishuli–Betrabeti and Kathmandu–Syabrubesi–Rasuwagadhi corridor, including the collapse of the Malekhu bridge on the Kathmandu–Dhadingbesi road. The surge continued downstream through the wider Trishuli system toward Nuwakot, Dhading, Gorkha, and Chitwan, all of which came under flood alert.

Nepal Police have recovered 270+ bodies. The Nepal Tourism Board's tourist out-of-contact list rose sharply in the first 24–48 hours, with nationals from more than 30 countries affected, and Nepal Army and Police helicopters have been running search and rescue, complicated by the loss of the Timure helipad and continued landslide risk. TAAN's notice states plainly that some road sections along the Trishuli corridor may stay closed for a few days specifically to keep rescue operations safe and effective, separate from the question of physical road damage.

This is a serious, still-developing disaster. It is also, geographically, a specific one: it has struck one river corridor in central Nepal, not the country's trekking network as a whole.

Trekking Status Table

🔴 Closed — no current access 🟠 Destination safe, standard road access closed — confirmed alternate route available 🟢 Not affected

Note: TAAN's notice covers trekking destinations, not the Kathmandu–Pokhara highway (Prithvi Highway) as a general transit route. If you're driving to Pokhara rather than flying, confirm current highway status separately with your operator.

Which Trekking Regions Are Affected?

Is Langtang Trek Affected by the Nepal Flood?

The Langtang Valley, Kyanjin, and Gosaikunda are themselves safe, per TAAN's official notice — the flood did not destroy the trekking trail or the high valleys. What's closed is the standard vehicle route: Trishuli–Betrabeti to Syabrubesi, the gateway town that was directly hit by the flood on August 26.

TAAN has published a working alternate for trekkers who want to proceed now rather than wait: an on-foot route from Kathmandu via Sundarijal–Chisapani–Thadepati–Ghoptebhir–Gosaikunda–Thulosyabru–Pairo–Lamahotel into Langtang and Kyanjin, returning the same way. This is longer than the standard itinerary and involves the usual monsoon trail conditions — slippery stone sections, leeches below 3,000m, low visibility — but it is a confirmed, currently viable option rather than an unverified workaround. The alternative is simply to wait; TAAN expects the standard road to reopen within days to weeks.

We're not calling Langtang closed. The valley is safe and reachable; only the fastest way in is currently unavailable.

Is Manaslu Circuit Trek Affected by the Nepal Flood?

No. TAAN confirms the Manaslu destination — Tsum Valley and the Nubri/Larke Pass route — as safe. The only change is on the approach road: the Malekhu bridge on the standard Kathmandu–Dhadingbesi route has collapsed, so the confirmed reroute is via Benighat–Arughat to reach Machhakhola/Jagat, the usual trailhead towns. Once trekkers are on the trail itself, Manaslu is operating as normal.

Is the Annapurna Trekking Region Affected?

No. TAAN lists the Annapurna section — covering Manang and Mustang — as not affected. That covers the Annapurna Circuit, Annapurna Base Camp, and the Upper Mustang region. The one caveat: TAAN's notice addresses trekking destinations, not the Kathmandu–Pokhara highway itself as a transit route, so if you're driving to Pokhara rather than flying, it's worth a direct check with your operator. Domestic flights between Kathmandu and Pokhara continue to operate under normal conditions, subject to routine weather delays.

Is Pokhara Accessible After the Nepal Flood?

Flying, yes, without qualification. Driving via the Prithvi Highway isn't addressed in TAAN's destination-focused notice, so we're not going to claim a confirmed status for it here — ask your operator for current highway conditions if you're planning to drive rather than fly.

Is Everest Base Camp Trek Affected by the Nepal Flood?

No — confirmed unaffected by TAAN, alongside the rest of the Khumbu, Rolwaling, and Makalu regions to its west and south. Everest is reached by air rather than through the Rasuwa/Trishuli corridor, and it was never part of the affected geography. "Not affected" doesn't mean zero risk — ordinary monsoon-season flight delays and mountain weather remain separate, routine factors, unrelated to this event.

Is Kanchenjunga Trek Affected?

No — confirmed unaffected by TAAN. Kanchenjunga sits in Nepal's far east, well outside the affected corridor, and this is now an official confirmation rather than an inference from geography alone.

Other Trekking Regions

TAAN's notice also confirms Rolwaling, Helambu, Dhaulagiri, Dolpa, Rara & Jumla, Humla, and the Far West (Saipal, Khaptad, Badimalika, Api Himal) as unaffected — effectively every major trekking region in Nepal outside the specific roads named above.

A Flood-Damaged Road Does Not Always Mean a Trekking Trail Is Closed

This event is a clean illustration of a distinction that's worth understanding on its own, because it applies beyond this specific flood.

A Nepal trek depends on several separate pieces of infrastructure: the road from Kathmandu or Pokhara to a trailhead town; specific bridges along that road or on the trail itself; the trailhead town where trekking on foot begins; the trekking trail above it, which is a physically different thing from the road that reaches it; and, for regions like Everest, the flight route that bypasses road risk entirely in exchange for weather risk.

In this event, the trekking trails into Langtang, Gosaikunda, Ganesh Himal, and Manaslu were never the problem — the destinations were confirmed safe from day one. What failed were specific road and bridge sections between Kathmandu and those trailheads. That's why TAAN's response wasn't "these regions are closed," it was "these roads are closed, here are the alternate routes." Understanding that distinction is the difference between assuming a whole region is off-limits and knowing exactly what to check before you book or depart.

Can You Still Travel to Nepal After the Flood?

Yes. The flood is serious and the damage is real, but it's concentrated in a specific corridor — Rasuwa, Nuwakot, and the roads running through Dhading toward Langtang, Ganesh Himal, and Manaslu. Kathmandu, the international airport, and the vast majority of the country's trekking regions are functioning normally and are officially confirmed as such. Nepal isn't a single travel corridor, and this event, serious as it is, doesn't change that.

Can You Still Trek in Nepal After the Flood?

Yes, in every major region except the specific roads named above, which themselves have working alternates. Refer to the status table for your specific route, and confirm current logistics with your operator before departure.

What Should You Do If You Have a Trek Booked?

1. Contact your trekking company and ask specifically about your route.
2. If your trek touches Langtang, Gosaikunda, Ganesh Himal, or Manaslu, ask which access option applies — the standard road (once reopened) or TAAN's confirmed alternate.
3. For every other region, TAAN's "not affected" status is a genuine confirmation, but confirm normal departure logistics as you would in any season.
4. Don't attempt the Rasuwagadhi/Kailash route — it's closed for the season; ask about TAAN's listed reroutes if that was your plan.
5. Keep some flexibility in your itinerary, particularly for treks touching the Trishuli corridor.
6. Follow TAAN, the Nepal Tourism Board, and your operator over social media for anything time-sensitive.

How Places Nepal Treks Is Responding to the Nepal Flood

Places Nepal Treks is a Kathmandu-based, Nepal Government–licensed trekking operator, a TAAN member, and NTB registered. We're applying TAAN's official status directly to client itineraries: departures touching Langtang, Gosaikunda, Ganesh Himal, or Manaslu are proceeding via the confirmed alternate routes above, or on an adjusted timeline where a client prefers to wait for the standard road; every other major region is operating on its normal itinerary. We're staying in direct contact with clients whose routes touch the affected corridor, and monitoring for any further TAAN updates, since TAAN's own notice states this is the first in a series and further updates should be expected.

Alternative Travel Options

Where a standard route is currently closed, the alternatives are specific, not improvised: the Sundarijal–Chisapani–Gosaikunda foot route into Langtang and Kyanjin; the Dhadingbesi or Arughat road into Ganesh Himal/Ruby Valley; the Benighat–Arughat road into Manaslu's trailhead towns; and, for the Kailash overland trip, the Kodari/Tatopani route, the Simkot–Hilsa route, or flying to Lhasa and driving in via Shigatse and Saga. Where flying is a genuine substitute for driving — Kathmandu to Pokhara — it's currently the more predictable choice.

Nepal Floods During the Monsoon: Why Conditions Can Change Quickly

Nepal's monsoon, roughly June through September, regularly brings heavy rainfall, swollen rivers, and some degree of landslide or road disruption somewhere in the country most years. This event is different in scale and cause: not gradual rainfall-driven flooding, but a sudden glacial-collapse surge with no warning, concentrated in one river corridor. That's worth understanding precisely because it cuts both ways — it explains why this event caused unusually severe, localized damage, and also why it hasn't spread into a nationwide trekking disruption the way a widespread monsoon rain event sometimes can.

Nepal Flood Safety Advice for Travelers and Trekkers

Never cross a swollen river or a visibly damaged bridge, whatever the apparent depth. Avoid unstable slopes, riverbanks, and low-lying ground, particularly after rain. Follow official warnings from Nepal Police, local administration, TAAN, and the Nepal Tourism Board over any other source. Don't bypass a roadblock or checkpoint — some closures along the Trishuli corridor exist specifically to protect ongoing search and rescue work, not only because of damage. Don't enter a declared disaster zone as a tourist. Listen to your guide and local authorities, who have current, ground-level information you don't. Maintain communication with your operator or embassy where possible, and keep some flexibility in your schedule.

What Trekkers Should Not Do After a Flood

Don't rely on trail information more than a few days old during an active event. Don't assume a mapping app reflects current road or trail conditions. Don't cross a visibly damaged bridge, regardless of how many other people are doing it. Don't drive through a blocked or closed road. Don't enter an area authorities have closed. Don't base a decision on a viral social media post — verify with TAAN, the Nepal Tourism Board, or your operator instead. Don't assume another trekker's report from several days ago still applies today. Don't pressure a guide or driver to take a route they've flagged as unsafe.

How to Check Current Conditions

• Trekking Agencies' Association of Nepal (TAAN) — official destination safety notices
• Nepal Tourism Board — tourist safety updates and hotline
• Department of Roads — highway and road status
• Nepal Police and Nepal Army — public safety updates
• Department of Hydrology and Meteorology — flood alerts
• Your trekking operator — direct, same-day confirmation for your specific route

Interactive Map: Nepal Flood-Affected Areas and Major Trekking Regions

See full screen

This map is for geographic orientation only, to show where the affected corridor sits relative to Nepal's major trekking regions. It is not an official emergency map — use the sources above for authoritative, current status.

Frequently Asked Questions

1. What happened in Nepal in 2026? On August 26, 2026, a glacial collapse on the Nepal–Tibet border triggered a flash flood on the Bhote Koshi and Trishuli rivers, devastating Rasuwa and Nuwakot districts with significant loss of life; search and rescue is ongoing.

2. Which parts of Nepal are affected by the flood? Specific roads through the Trishuli corridor: the standard access routes to Langtang/Gosaikunda, Ganesh Himal/Ruby Valley, and Manaslu's Malekhu route, plus the Rasuwagadhi border crossing to Tibet.

3. Is Nepal still open to tourists? Yes. TAAN confirms every major trekking region outside the routes above is unaffected, and Kathmandu is functioning normally.

4. Can I still trek in Nepal after the flood? Yes, in almost every region, per TAAN's official notice — see the status table above for your specific route.

5. Which trekking routes are affected? The standard roads into Langtang/Gosaikunda, Ganesh Himal, and Manaslu, and the Rasuwagadhi crossing. All have confirmed alternates except Rasuwagadhi, which is closed for the season.

6. Is Langtang Trek affected? The valley itself is safe; the standard Syabrubesi road is closed, with a confirmed alternate route available.

7. Can I enter Langtang through Syabrubesi? Not via the standard Trishuli–Betrabeti road right now. TAAN's alternate goes via Sundarijal and Gosaikunda instead.

8. Is Dhunche an alternative route to Langtang? No — Dhunche sits on the same closed corridor. TAAN's confirmed alternate is the Sundarijal–Chisapani–Gosaikunda foot route.

9. Is Manaslu Circuit Trek operating? Yes, fully — confirmed safe by TAAN, with the approach road rerouted via Benighat–Arughat due to the Malekhu bridge collapse.

10. Is Annapurna Trek affected? No, per TAAN's official notice covering the Manang and Mustang sections.

11. Can I travel to Pokhara? By air, yes, without qualification. By road, confirm current Prithvi Highway status with your operator, since it isn't covered in TAAN's destination notice.

12. Can I fly to Pokhara instead of taking the road? Yes — domestic Kathmandu–Pokhara flights are operating normally, subject to routine weather delays.

13. Is Everest Base Camp Trek affected? No, confirmed unaffected by TAAN.

14. Is Kanchenjunga Trek affected? No, confirmed unaffected by TAAN.

15. Should I cancel my Nepal trek? No, for any region outside the Trishuli corridor. For Langtang, Gosaikunda, Ganesh Himal, or Manaslu, ask your operator which access route applies to your dates rather than cancelling outright.

16. What should I do if my trekking route is blocked? Contact your operator, don't attempt to bypass the closure, and ask about the specific alternate route TAAN has published for that destination.

17. Are trekking trails and roads affected in the same way? No — in this event, every affected destination's trail remained safe; only specific access roads and one bridge were closed.

18. Is Nepal safe to visit after the flood? Yes, for the country's major trekking regions, per TAAN's confirmation. The Trishuli corridor itself remains an active disaster and rescue zone to avoid.

19. Where can I get the latest Nepal trekking updates? TAAN, the Nepal Tourism Board, the Department of Roads, and your trekking operator directly.

20. How often can trekking conditions change during the monsoon? During an active event like this one, conditions can shift within a day, which is why TAAN has already flagged this as its first of likely several updates. In an ordinary monsoon without a major event underway, conditions can still shift after any single heavy rainfall.