Nepal Crash Floods, Gyirong Port, Tibet

August 26, 2026 Nepal–Tibet floods around Gyirong (Kerung) Valley, this is a major Himalayan disaster.

A sudden ice-and-rock/glacier collapse near the Nepal–China border triggered a massive debris flow and flash flood. The Lhende Khola fed into the Bhote Koshi and then the Trishuli River in Nepal.

• On the Tibet side, the flood/debris flow struck Gyirong County and Gyirong Port, a major Nepal–China border crossing, destroying or damaging roads, buildings, power infrastructure and communications.
• On the Nepal side, the worst-hit areas include Rasuwa district, Timure and Syapru Besi. The flood then propagated downstream through the Trishuli system.

The scale of the disaster is still being revised. Reports on August 27–28 put the combined death toll at well over 350, with more than 1,400 people missing across Nepal and Tibet; hundreds of foreign nationals, including pilgrims traveling toward Mount Kailash, are among those missing.

Satellite and geological analysis indicates that a substantial portion of a glacier near Langtang Lirung collapsed, producing an enormous landslide/debris surge. The event itself generated a seismic signal equivalent to roughly a magnitude-5.2 earthquake.

The disaster has also raised concern about additional landslides and flash floods, because the Himalayan terrain remains unstable and monsoon conditions continue.

Geographically, Gyirong Valley is on the Tibetan side of the Nepal–China border, while Rasuwa's Bhote Koshi/Trishuli Valley is immediately south of it. So the “Nepal floods” and the destruction at “Gyirong Port” refer to the same cross-border disaster system.