Nepal-China Flash Flood Death Toll Passes 633 With Nearly 3,000 Still Missing on Day Four

What Happened

A catastrophic wall of water and debris tore through the Himalayan border region between Nepal and China on the morning of Wednesday, August 26, sweeping away entire villages, destroying bridges and roads, and burying settlements in mud along a 45-mile stretch of the Trishuli River valley. Four days later, rescuers are still searching. The combined death toll in Nepal and Tibet reached 633 on Saturday. Nearly 3,000 people remain unaccounted for across both countries.
The floods destroyed the Gyirong Port complex on the China-Nepal border, which served as the main crossing for trade and tourism between the two countries. Bodies have been carried as far as 150 miles downstream into neighboring India.

The Scale of the Disaster

Nepal’s National Disaster Risk Reduction and Management Authority lists 926 people dead or missing in the country, with 626 confirmed dead. Across the border in Tibet, Chinese state media reports seven dead and 554 missing. The Red Cross estimates up to 93,000 people have been affected in total.
Among the missing are 933 hydropower workers who were on site at 14 projects along the Bhotekoshi and Trishuli rivers when the flood hit. Many were working inside tunnels deep in the mountain gorges. On Saturday, Nepali army teams were still trying to drill through mud and debris to reach an estimated 100 workers believed trapped in tunnels at the Trishuli 3A and 3B hydropower projects. A specialist tunnel rescue unit arrived from India to assist.
Nepal’s army has rescued approximately 2,650 people by air and 200 more by ground. Around 8,300 army personnel are deployed in the disaster zone. Five tunnel experts sent by China arrived Saturday and joined the search effort immediately. Approximately 361 hydropower workers have been accounted for so far, meaning more than 500 remain missing at those sites alone.

Foreign Nationals Among the Missing

The disaster caught a large number of foreign visitors in the region. Nepal lists 517 foreigners among its missing, including trekkers and Hindu pilgrims traveling to Tibet’s sacred Mount Kailash. Among the nationalities unaccounted for: 288 Indian nationals, 90 Americans, 53 Ukrainians, 51 Malaysians, 35 Australians, 34 pilgrims, 33 UK nationals, and 32 Canadians. China’s foreign ministry says nearly 100 Chinese citizens in Nepal are also missing. The US State Department confirmed it is working to locate American citizens in the affected area.

At the Hospital

Outside Tribhuvan University Teaching Hospital in Kathmandu, families have covered the walls with photographs of missing relatives, handwritten contact numbers, and desperate messages. Nearby, officials posted images of unidentified bodies in hopes that someone could recognize them. Dil Maya Lama, who traveled 80 miles from her home in Ramechhap, stood outside the hospital searching for her 26-year-old brother, a driver for a hydropower company. He has not been heard from since Wednesday. Nelza Moktan was looking for her missing cousin. “I feel hopeless. It has already been four days,” she said.

What Caused It

Investigators are still working to determine the exact trigger. Early assessments point to a combination of a glacial lake outburst and a landslide that sent an enormous volume of water rushing down the narrow river valley at speed. The region has been experiencing more frequent glacial lake outbursts in recent years as rising temperatures accelerate glacial melt. Nepal’s government released a preliminary damage estimate of 200 billion rupees. At least 12 hydropower projects have been knocked out of operation and 15 under-construction projects were damaged.
More rain was forecast for the flood zone over the weekend, raising fears of additional flooding. A second newly formed lake is being closely monitored by authorities.

Source: AFP, AP, CNN, UPI, Taipei Times, Wikipedia (2026 Nepal Floods), Hong Kong Free Press