A severe, unexpected flash flood struck northern Nepal’s Rasuwa district on Wednesday morning, August 26, 2026. Originating from a sudden high-altitude water burst or a Glacial Lake Outburst Flood (GLOF) in the Tibet region of China, a massive wall of water tore down the Lende and Bhote Koshi rivers. The surge completely overwhelmed riverside markets, destroyed infrastructure, and brought cross-border travel to a sudden, terrifying halt.
Kailash Mansarovar Tour Groups Stranded and Missing
The flood struck during the absolute peak of the Kailash Mansarovar Yatra season, a period when thousands of Indian and international pilgrims travel through this exact border route toward Mount Kailash in Tibet.
Pilgrims Caught in the Disaster Zone: Early ground reports confirm that several travelers and tour operators navigating the Rasuwagadhi-Kerung cross-border route are currently caught in the flood zone.
Missing Status: Local authorities have reported that several individuals from cross-border travel groups, including drivers, workers, and foreign nationals, went out of contact as the floodwaters instantly scoured the valleys and destroyed local roads.
Stranded at the Border: Hundreds of pilgrims who were preparing to cross or return from Tibet find themselves entirely cut off. The destruction of the primary border infrastructure has left tour groups stranded, with overland transit back to Kathmandu completely disabled. Private aviation and emergency rescue services are currently being assessed to airlift the stranded travelers safely back to the capital.
Key Disaster Updates and Damage Report
Casualties & Missing Officials: The devastation hit local security outposts hard. At least 28 police personnel from the Armed Police Force (APF) and Nepal Police deployed at the Timure Border Out Post (BOP) and surrounding stations are reported missing or completely out of contact after the surge hit around 9:00 AM.
Massive Humanitarian Crisis in Mailung: Over 300 locals and workers are currently trapped in the Mailung area. Trapped survivors taking temporary shelter in hillside caves have issued desperate social media appeals for urgent military helicopter rescues.
Severe Energy Grid Failure: The deluge has physically damaged or forced the emergency shutdown of six major power plants. This includes the Rasuwagadhi, Chilime, Trishuli 3A, Trishuli 3B Hub, Trishuli, and Devighat hydro stations, wiping out a significant chunk of Nepal’s electricity infrastructure.
Highway & Border Closures: The Nepal Government has halted all traffic heading toward Rasuwa, Chitwan, and Dhading. Critical transit routes including the Prithvi Highway, Galchhi-Nuwakot-Rasuwa-Syabrubesi Road, and Muglin-Narayangadh Road are strictly closed to prevent vehicles from being trapped by downstream surges or landslides.
Downstream Alerts: Rivers on High Warning
The Department of Hydrology and Meteorology has issued an extreme high-alert warning for all low-lying areas along the Bhote Koshi and Trishuli river basins. The flood crest is moving rapidly downstream through Rasuwa, Nuwakot, Dhading, Gorkha, and Chitwan. Riverside communities are urged to move to higher ground immediately as the surge is expected to impact the Marshyangdi confluence at Mugling.
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