Rasuwagadhi Bridge Collapse: New Routes for Kailash Yatra After Flood

Thousands of spiritual seekers and devout followers from Nepal, India, and beyond every year undertake the sacred Kailash Mansarovar Yatra—a spiritual journey through the Himalayas to cross a spiritual circuit around this deity mountain and bathe at the spiritual banks of Lake MansarMansarovardecades, one of the most convenient of the several overland paths to Kailash from Nepal was through the Rasuwagadhi–Kerung border, a doorway that joins Kathmandu directdirectlybet’s Kyirong prefecture.

However, a natural disaster occurred unexpectedly in the month of July 2025. It was a devastating flood—caused by a glacial lake burst deep in the Tibetan Himalayas—that took away the Rasuwagadhi–Kerung Friendship Bridge, leaving one of the most important land routes between Nepal and Tibet snapped. It not only stopped the border trade and transmission of energy but also put a pause to the spiritual sojourn for a large number of pilgrims preparing for the Kailash Mansarovar this year.

Here, we talk about the reasons of theforlood, impactthe of the flood, currenthe t condition of the-bothe borderstructure, and above all, new alternative paths now possible for arriving at Kailash Mansarovar. Air, through or a mix of two, we’ll explain now the trail that now you can still achieve your spiritual future with maximum logistical assistance and professional planning.

Overview

Nepal–China Friendship Gate of the Rasuwagadhi–Kerung cross-border (pre-July 2025 flood). This most vital gateway (Bhote Kosi River) connected Kathmandu to Tibet’s Mount Kailash and Mansarovar, but was destroyed on 8th July 2025. Horrific debris flow (some 10 m high) scoured along the Bhote Kosi valley, washing away the international “Miteri” bridge and nearby infrastructure. At least nine are dead, and some 20 are missing, including some travellers and truck drivers. The deluge swept away a section of Nepal’s lifeline: four major hydropower stations (Rasuwagadhi, Trisuli III, Trisuli, Benighat) were seriously disabled, taking some 230 MW (≈8%) of Nepal’s electricity infrastructure. Some 100+ container trucks and cars left unattended at the Timure Dry Port were swept off. In a word, the Rasuwagadhi disaster not only shut down a vital pilgrimage but also the trade corridor, which was seriously affected. 

In the flood’s aftermath, the damaged border bridge and muddy river chaos are clear to see. This disaster was not induced by monsoon rain: hydrologists record almostthat not a heavy precipitation existed prior to the event in the Bhote Kosi basin. Instead, satellite analysis traced the surge back to Tibet. 

Glacial lakes on the Purepu Cangbu glacier merged cumulatively to form a giant supraglacial lake in June, which overflowed abruptly downwards through the Lende River (Bhote Kosi tributary). In other words, this seems to be a Glacial Lake Outburst Flood (GLOF). Such GLOFs are even now a relatively rare event, but climate warming brings them closer: the Himalaya is “melting twice as fast as the rest of the world,” and a 2018 analysis found dozens of deadly lakes on Himalayan glaciers. As more of these volatile lakes are getting warmer, researchers confirm that Nepal’s high valleys are getting more vulnerable.

Why the Flood Was So Unusual

• Burst lake, not rain. Government officials initially wondered if there was heavy rain, but river level monitors revealed that there was not heno rain that evening in Nepal nor in Tior. Tribhuvan University hydrologist Binod Pokharel observed that satellite/radar imagery revealed not enough rain, but rather, the flood “could have been caused by a GLOF”. This fits well with the high-energy debris flow and localized rain scarcity.

• Remote glacier trigger. Tracing back through Copernicus satellite images, it was discovered that the trigger source was Purepu Cangbu glacier (Tibet), where lakes combined together and drained through englacial channels towards the Lende River. That explosion spread downstream almost instantly to Nepal.

• A factor of climate change. Glaciers are retreating rapidly. The Nepali Times reports that of the 47 most dangerous lakes threatening Nepal, 25 lie on Chinese glaciers. As high lakes are growing, disaster explosions are becoming more frequent. (Notable recent examples are the 2021 Chamoli, India, and 2023 Sikkim floods from a glacial/landlide event.) While historically uncommon, authorities now consider that GLOFs are a new threat to the Himalayas.

• Geo-warnings. Surprisingly, even Nepali scientists cautioned authorities days before the event that they could anticipate deluges from rivers coming from Tibet. Yet, the data-sharing gap provided that Nepal received limited prior warning. In either case, that was a record inter-state disaster, which substantiates that such cross-border floods, though occasional, are a serious threat to the people living near borders.

Effects on Border Security and Infrastructure

The Rasuwagadhi–Kerung (or Kyirong, Kerong) is Nepal’s second significant China (after Tatopani/Kodari) trading entrance. It was opened in 2014 and was newly upgraded for tourism, accommodating a portion of vehicles, automobiles, trucks, coaches, trains, and a major portion of pilgrims. The flood “washed away a strategic bridge on Nepal’s main border crossing with China for trade, tourists and pilgrims”. In practical terms:

• Bridges, border installations lost. Nepal’s 156-meter-long Miteri Friendship Bridge was swept off completely. Customs offices, lodges, and sections of roads on either side were completely lost. (Dozens of Nepal Police and Chinese officials were on the spot; some Chinese media reported 11 labourers missing or hurt on Tibetian side.)

• Power supply, trading losses. Damage to four hydropower stations (Wagadhi, Trisuli-III, Trisuli, Benighat) disconnected 230 MW of supply (≈8% of national generation). Freight halted: more than 100 container trucks (mainly cargo trucks of vehicles, other vehicles, and cargo) and numerous newly arriving electric vehicles were halted. Companies are afraid of a shortage (particularly of Chinese goods) if the border is closed.

• Human cost. At least 9 lives were lost, and 20 are still unaccounted for (residents, pilgrims, truck drivers) in Nepal. Chinese media reported an additional 6 unaccounted for, which shows the transboundary nature of the disaster. Hundreds of residents were airlifted. This transboundary flood at Rasuwagadhi is arguably one of the most lethal transboundary floods that Nepal can recall in recent years.

Reconstruction of the Rasuwagadhi Bridge

Nepalese authorities moved quickly to restore the route. In a special meeting on the 9th of July, authorities agreed to cooperate closely with China to repair the route and reopen the connection. Main steps are:

• Interim Bailey Bridge. Prime Minister Oli directed diplomats to arrange a temporary Bailey bridge at the damaged site. In fact, the government formally requested that China construct a Bailey bridge “immediately” so cross-border traffic gets moving again. Such a mobile steel modular bridge could span the Lende Khola and facilitate convoys of vehicles carrying trade in a matter of weeks.

• New permanent “Friendship” Bridge. Chinese engineering teams had already begun work to reconstruct the permanent bridge (originally planned in 2018). The full-scale Nepal-China Friendship Bridge will be reconstructed at Rasuwagadhi, with the help of Chinese authorities. Bridge works were targeted to be completed sometime around mid-2025 prior to the disaster, but the new disaster resets the clock. Reconstruction will be taken up after the immediate works of flood relief, say authorities.

• Repair of roads. Nepal will restore the approach roadway from the Nepal side as well, and requested that China restore the partially damaged Tibet side roadway. Power transmission lines, including communication networks, for the region will be reinstated. Overall, authorities confirm a several-week to several-month interval before Rasuwagadhi-Kerung reopens.

In short, Rasuwagadhi is expected to reopen eventually (with a temporary bridge followed by a new permanent span), but not immediately. Meanwhile, Kailash pilgrims and traders must use alternative routes.

Other Routes of Mount Kailash

Since Rasuwagadhi is closed, we have three Nepal-based means of reaching Kailash–Mansarovar. Bold Himalaya can facilitate all of these, from flight booking to treks, cars, permissions, and guides. These are the most prominent means:

• Hilsa Route (via Nepalgunj–Simikot): This is still the most direct Nepali entrance route to Tibet today. Pilgrims fly Kathmandu→Nepalgunj→Simikot, helicopter (or trek) from Simikot to the Nepal/Hilsa border. Once at Hilsa, pilgrims cross into Purang (Tibet) and drive to Mansarovar/Darchen.
• Tatopani/Kodari Route (via Kathmandu–Zhangmu): Leaving Kathmandu for the Tatopani (Kodari) border crossing via Arniko Highway, they continue via Zhangmu (Tibet) to Kailash. This ancient trade route requires Chinese and Nepali visas and is about 14+ days total.
• Lhasa Air Route: Pilgrims travel Kathmandu→Lhasa (Tibet) by flight, then by bus/car (via Saga–Lake Mansarovar) to Mt. Kailash. It is the Tibet flight route, which is a more scenic, less physically challenging route.

All of these routes are a time, money, and adventure trade-off. What follows is a more detailed description of each route.

1. Hilsa Route (Flight to Simikot + Helicopter Trek)

Route Overview: Kathmandu → Nepalgunj (flight) → Simikot (flight) → Hilsa (trek or helicopter) → Purang (Tibet) → Mansarovar → Darchen (Mt. Kailash base).

• Kathmandu to Nepalgunj: Domestic flights operate daily (approximately 45 min). Nepalgunj Airport (150 m alt.) is the point of entry
• Nepalgunj to Simikot: Charter aircraft (30–40 min) take pilgrims to Simikot (2,910 m), the district headquarters of Humla, which lies in a remote area
• Simikot to Hilsa: Pilgrims either travel via foot treks or via helicopters from Simikot. Foot trail (approximately 150–200 km) means ancient trading channels via high-altitude mountain passes (Nara La ~5,000 m) to reach Hilsa. Porters locally traverse via this route in 7–8 days. However, most of the pilgrims conserve time and energy for themselves via helicopter hire from Simikot to Hilsa (a straight 30–40-minute flight). In other words, the flight, despite the hefty price, saves the long, weeklong foot trail.
• Hilsa border: The closest Nepal–Tibet cross-border is Hilsa (3,770 m). It is a short walk from the cross-border to Purang (Taklakot) on the Tibetan side. Pilgrims are welcomed at Purang with vehicles (usually 4×4 Land Cruisers, which are reserved through touring agents).
• Purang to Mansarovar: It ascends north from Purang (2,900 m) to Lake Manasarovar (4,590 m) and to Darchen (4,650 m), the classical base for the parikrama of Kailash. The Kailash-Kora trek is done around Darchen.
• Length & Difficulty: Pilgrims riding the helicopter can undertake the trail for approximately 10–15 days overall. Difficulty remains steady at a moderate level via the helicopter leg; some of the high passes are traversed, but fairly gentle ascents. The trail of Hilsa is shorter and less crowded compared to the overland route.

Bold Himalaya Facilities: Our agency specializes in this offbeat Hilsa journey. Kathmandu–Nepalgunj–Simikot flight bookings are arranged, helicopter transfers to Hilsa are organized, and trustworthy guides/porters are provided. All of the approvals (Nepalese entry and Chinese Group Tourist Visa) are pre-booked. Guests stay at modest Humla teahouses and comfortable lodges at Purang. As one Bold Himalaya tour description notes, this package “starts from Kathmandu to Nepalgunj and Simikot by scheduled flight and flies to Hilsa by helicopter”. Visitors, now, can reach the Hilsa border via helicopter within a day or two, whereas previously, they were on a seven-day-long, difficult trek to provide altitude acclimatization support along the way.

2. Tatopani (Kodari) Route: Kathmandu → Kharta Highway

Route Overview: Kathmandu → Kathmandu–Kodari (Arniko Highway) → Border crossing at Tatopani (Nepal)–Zhangmu (Tibet) → Nyalam → Saga–Mansarovar → Darchen.

• Kodari from Kathmandu: Arniko Highway goes ~140 km northeast of Kathmandu to the Tatopani (new Kodari) border at 1,700 m. This takes about 5–6 hours by tourist bus or jeep (longer with traffic up the mountains). Charter choppers are available (30–40 min) to the Kodari border or nearby Helambu.
• Border crossing: Tatopani (Nepal) is the last customs point on the Nepali side; travelers then walk across to Zhangmu (Tibet) or cross by vehicle via the Friendship Bridge. As of July 2025, exclusive clearances are given by Chinese authorities for travellers (mostly pilgrims) to cross Kodari after the suspension of Rasuwagadhi. All travellers are supposed to have group clearances and Chinese authorities’ pre-booked visas.
• Onward to Kailash: At Zhangmu (alt ~2,300 m), whilst approaching Tibet, the pilgrims are transported on a Chinese sightseeing bus. It goes north through Nyalam (3,750 m) and Khasa, then through the Friendship Highway (beyond Lalung La ~5,150 m) to Saga. Pilgrim route from Saga goes south to Lake Mansarovar and Darchen.
• Timing & Comments: This 12–16-day round-trip from Kathmandu overland journey is not a trek (fully motorable), but involves long car journeys and higher altitudes (to ~5,150 m). It could be cheaper than the Kodari route, which is a bit shorter. It was also historically the first overland route to Kailash via Nepal. Bold Himalaya can arrange for comfortable tourism coaches, 4×4 cars, along with professional Tibet guides for this journey.

Notable Development: In mid-July 2025, after the Rasuwagadhi bridge failure, the Chinese government granted permission for special pilgrim groups to cross at Kodari. In practice, therefore, we can re-route Nepal/India Yatra parties through Tatopani–Zhangmu as a replacement. Bold Himalaya can accommodate this: we book clients, secure the right Chinese group permit (usually locally organized in Kathmandu) and manage the border arrangements. Our tours include safe accommodations along the Arniko Highway and in Tibet (e.g., hotels at Nyalam and Saga).

3. Lhasa Air Route: Fly–Drive through Lhasa

Route Overview: Kathmandu → Lhasa (flight) → Gyirong/Kerung border → Saga–Mansarovar → Darchen → Kathmandu

• Kathmandu–Lhasa Flight: Kathmandu is linked to Lhasa Gonggar Airport (3,650 m) via international flights (about 2 hours a day). It is a trans-Himalayan scenic flight that will provide a person with a clear view of Everest, Shishapangma, etc. Arriving in Lhasa provides good acclimatization at high altitude.
• Lhasa Sights: Pilgrims usually spend 1–2 days in Lhasa (3,650 m) acclimatizing and sightseeing (Potala Palace, Jokhang Temple, etc.). This section is optional but a favorite for cultural interest.
• Kailash Drive: Finally, the mode of travel is via road. Usually, the bus goes northwest through Nagchu and Saga, and beyond on the Ali–Paryang route to Lake Manasarovar and Darchen (ft. of Mt. Kailash). It usually takes ~5–6 days of car/overnight camping before getting to Darchen.
• Duration & Characteristics: It is possible to complete the whole of the Lhasa round trip within 12–15 days. A traditional 14-day-long Kailash Yatra through Lhasa involves a Kathmandu/Lumbini/Delhi to Lhasa flight, together with a Tibet Volvo bus journey. It is a less physically demanding (no treks) route with extra days for a visit (Lhasa city, monastic sites). It is costly compared to the other two routes due to the international flight. The route through Lhasa “allows for steady acclimatization” and involves the complete Kailash Kora.

Bold Himalaya’s Role: Our Lhasa–Kathmandu flight and Tibet visa for the tour are part of the deal. In Tibet, we offer English-speaking, comfortable tourist buses. Permit, on-road hotels (e.g., Nyalam, Mansarovor, Saga), and food are part of the deal. Our group sizes are reasonable so that personal attention can be given. In a combination of flight and on-road travel, exposure to culture along the way to the holiest sites, this is a deal for clients less eager for rough travel.

What About the Rasuwagadhi–Kerung Route?

The Rasuwagadhi–Kerung (Kyirong) route is the direct Kathmandu- Kailash highway through Dhunche and Syabrubesi. Until July 2025, that was the busiest Nepal route. But now that route is closed because of the flood. Nepali officials are clear: only temporary crossing is possible now. A Bailey bridge is being installed to reestablish the connection, but a new, more enduring bridge is projected, which will be a long-term wait. Pilgrims should not rely on Rasuwagadhi being open in mid-2025. Bold Himalaya will monitor the situation closely; we will inform any clients if the road reopens (it may be late in the season). In the meantime, all Yatra bookings should use one of the three alternative routes above.

Bold Himalaya: Guiding Pilgrims through Side Routes

At Bold Himalaya, we are quite aware that these sorts of interruptions are disorienting. Our well-informed staff already assists many of Kailash in rebooking through various routes. This is the manner through which we assist:

• Route Organising & Bookings: Our organisation can reorganise your complete Kailash route. Whether via the Hilsa–Simikot route, Kodari road, or flight to Lhasa, we’ve got the works. It includes your international/domestic flight booking, helicopter charters, and ground transfers.
• Flight Coordination: We book seats on the Kathmandu–Nepalgunj and Nepalgunj–Simikot routes (subject to availability). For tours to Lhasa, we book Kathmandu–Lhasa airline tickets and, on demand, Lhasa city tours.
• Helicopter Service: If you pick the Hilsa route, we charter helicopters from Simikot to Hilsa.  These are helicopter amphibian rescue helicopters that are ideal for swift river crossings directly to Tibet, whereas our porter teams can be utilized by the trekkers.
• Ground Transportation: High-height SUVs, for car rides, and sightseeing coaches are available. Drivers are familiar with Himalayan highways. Trained Tibetan guides, along with comfortable bus services, are available for the entire Tibet journey.
• Permits and Visas: For going to Kailash, we require special permissions (Group Tourist Visas) from China. We procure these visas for every route. For Hilsa Border, we also book for every Border permit in Nepal (such as the Humla District permit). We book everything so that you don’t have to bother with your pilgrimage.
• Accommodation & Food: All lodges or guesthouses are pre-reserved for Kathmandu, for intermediate nights (e.g., Nepalgunj, Simikot, Lhasa, Saga), and for lake camps. Food is supplied from tea houses or lodges on the route.
• Guides and Assistance: Our guides are competent in Nepali, English, and (where appropriate) Mandarin. They are fully cognizant of the spiritual and cultural character of the journey. Oxygen packs and medical kits are provided for emergencies. Tourist assistance vehicles are provided for trekking parties.

In summary, Bold Himalaya provides customized treks to Kailash Mansarovar with all possible Nepali routes. Tours are flexible and always safe: i.e., if we anticipate that we are going to wait at some given border, we can add advance vehicles or prescribe small timetabling corrections. Our mission is a hiccup-free trip: “all the way from Kathmandu to Mansarovar and back,” even when conditions change.

Conclusion

This summer, devotee pilgrims can still reach Mt. Kailash Mansarovar via a different route, but through a veteran company like Bold Himalaya. The Hilsa route is now the most direct land approach from Nepal, while Kodari and Lhasa flights provide solid alternatives. 
Bold Himalaya is fully able to redirect through these routes; therefore, your yatra continues. We monitor conditions daily; as soon as Rasuwagadhi reopens, we will resume our normal packages there. Until then, rest assured that you have options. The Himalaya’s spiritual journey still awaits—our team is ready to guide you across whichever route you choose.