Situation Overview:
A flash flood in the Budhi Gandaki River during the early hours of 11 October 2026 caused significant damage across the Manaslu and Tsum Valley regions of Gorkha District. The flood resulted in damage to houses, temporary shelters, suspension bridges, roads, and other critical infrastructure, including the loss of the under-construction Sahaj Urja Powerhouse. Major transportation disruptions occurred after the washing away of the Soti steel bridge and part of the Nayapul bridge, significantly affecting access to the impacted areas. Government authorities issued early warning messages and safety advisories for communities living along the Budhi Gandaki and downstream Trishuli river corridors, while search and rescue operations, evacuation support continue despite challenges posed by damaged roads and communication disruptions.
According to the Initial Rapid Assessment (IRA), a total of 174 households has been identified as affected, including 35 households in Chumnubri Rural Municipality, 57 households in Dharche Rural Municipality, 24 households in Aarughat Rural Municipality, and 58 households in Tripurasundari Rural Municipality. In response, national, provincial, and district authorities activated emergency response mechanisms, mobilized security personnel and air rescue assets, and continued to coordinate relief and assessment efforts to address the humanitarian needs of affected communities.