Nepal's recent flash flood has created an estimated USD 4.7 billion in recovery and reconstruction needs, according to a government-led assessment released on Saturday. The Rapid Damage and Needs Assessment for the Rasuwa-Bhotekoshi Flood 2026 put total damage at about USD 2.7 billion, including USD 1.81 billion in physical damage and USD 883.32 million in economic losses.
The assessment said the larger recovery figure is not simply the cost of replacing what was damaged. It covers rebuilding as well as disaster-risk reduction and resilience measures after the flood that struck northern and central Nepal on August 26.
The flash floods were triggered by an ice-rock avalanche in the high Himalayas near the Nepal-Tibet border. Around 1,400 people were killed and more than 5,000 remain missing. The Bhotekoshi River carried the floodwaters downstream, sweeping away homes, vehicles, roads and bridges, and damaging hydropower projects.
The assessment was led by Nepal's National Disaster Risk Reduction and Management Authority and covers Rasuwa, Nuwakot, Dhading, Gorkha and Chitwan districts. It combines sector submissions, administrative records, satellite imagery, drone surveys, geospatial data and census information. Where direct inventories were incomplete, it used estimates based on mapped exposure, statistical relationships and costing assumptions.