Catastrophic flash flood tears through the Himalayan border region: over 157 killed, hundreds missing in Nepal’s deadliest disaster

Nepal's flash floods
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Last Updated on September 6, 2026 by YeJahan

YEJAHAN DESK

BEIJING (Aug 27, 2026): An avalanche on the Nepal-China border on Wednesday morning triggered a massive gush of water that swept through trekking routes and towns along the Bhotekoshi River, taking with it whatever came in its path, in one of Nepal’s deadliest disasters in decades.

The flash flood wreaked havoc across three districts of Nepal, killing more than 150 people, leaving scores including army officials and foreign tourists missing, and sweeping away private and public property.

The avalanche first hit Timure, blocking the flow of the Lhende tributary of the Bhotekoshi River at Rasuwagadhi, turning the water towards the settlement where it wiped out hundreds of homes before surging downstream. Residents were oblivious to the disaster as they had no early warning of rain or flood. They were going about their daily routines when the water rose over their heads.

“It was the flood, rising like a wave nearly 100 metres high and sweeping through the market, and within moments, the market was gone,” said a survivor in Rasuwa.

When the warning words reached to their ears, people fled into the nearby forest. More than 300 vehicles and trucks waiting at the customs checkpoint were washed away.

The flood continued its path of destruction,  rushing towards Syaphrubesi to devour almost everything in its path along the river. There was no escape for people, animals, buildings, and public infrastructure.

The Nepalese Prime Minister’s Office has confirmed that hundreds of individuals, including 391 foreigners and 44 security personnel, have gone missing.

The water swept away at least nine hydropower projects, an equal number of commercial bank branches, 19 bridges, 40 kilometres of highway, and a large number of private and public properties.

The flash floods in Nepal also triggered a mudslide that caused significant casualties in Tibet. Hundreds of people, including foreign tourists, are missing at Gyirong Port in Gyirong County, Shigatse City.

Tibetan officials said 384 tourists, including 291 from countries including India, the United States, the United Kingdom and Malaysia, were reported missing.

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