Shishir KhanalXi JinpingBalendra ShahNarendra ModiLee Jae MyungXinhua News AgencyChina Energy Engineering CorporationInternational Centre for Integrated Mountain DevelopmentUnited States Geological SurveyNepal Tourism BoardRed Cross

Flash flood on Nepal-Tibet border kills at least 19, leaves over 380 missing including tourists; Tibet's Gyirong suffers 'major casualties'

A devastating flash flood on the Nepal-Tibet border has killed at least 31 people and left over 380 missing, including 291 foreign tourists. The disaster, triggered by a landslide, has caused major casualties in Tibet's Gyirong County, prompting urgent rescue efforts from both Nepal and China.

CNA CNA+2 sources26 August 2026 · 12:43 UTC
CuriousCats Full Story

A flash flood on the Nepal-Tibet border has resulted in at least 31 confirmed deaths and left over 380 individuals missing, including 291 foreign tourists from various countries. The disaster struck on August 26, triggered by a landslide that blocked the Bhote Koshi River, leading to catastrophic flooding on the Nepali side.

Chinese state media reported major casualties in Tibet's Gyirong County, where rescue operations are ongoing. President Xi Jinping has called for all-out efforts to locate the missing and prevent secondary disasters. Roads and communications have been severely impacted, complicating rescue efforts.7

The Nepal Tourism Board confirmed that 384 travelers are unaccounted for, including nationals from India, the United States, the United Kingdom, and Malaysia. The flood also affected a hydropower project, leaving 60 workers missing.

Experts suggest the flood may have been exacerbated by an ice rock avalanche from a glacier, while a 4.4-magnitude earthquake was recorded in the region around the same time. Rescue helicopters are currently unable to land in the most affected areas due to high water levels, but military and police teams are mobilizing to assist in the search and rescue operations.46

As the situation develops, both Nepal and China are coordinating their responses to address the humanitarian crisis and ensure the safety of those affected.

Key Insight
“The flood was triggered by an earthquake-induced landslide that blocked the Bhote Koshi river, according to Nepal's foreign minister. Rescue helicopters cannot land until waters recede, and Nepal's army is airlifting survivors from rooftops as the death toll is expected to rise.”
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CuriousCats studied:
1
CNACNA
“KATHMANDU: A wall of mud and rock appeared to collapse into a river on the Himalayan border of Nepal and China's Tibet on Wednesday (Aug 26), triggering catastrophic flooding on the Nepali side that killed at least 22 people and left hundreds of tourists missing.”
CNA →
2
ReutersReuters
“Many people were feared dead or missing after a mudslide hit major border crossing between China and Nepal in Tibet's Gyirong county on Wednesday, Chinese state news agency Xinhua reported.”
Reuters →
3
CNN
“The death toll in Nepal has risen to at least 31 after a powerful flash flood struck near the country’sborder with China, according to local police in Bagmati province. Hundreds more are unaccounted for as search and rescue efforts ramp up. Chinese state media also warned earlier of “major casualties” in Tibet, but no official casualty figures there have so far been released.”
CNN →
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