A glacial collapse involving ice and rock triggered devastating flash floods in Nepal on August 26, 2026, sending a powerful flow of water, mud and debris through Himalayan valleys. The disaster destroyed homes, roads, bridges and hydropower infrastructure, leaving a large number of people dead or missing. The disaster has become one of Nepal’s most severe recent natural catastrophes, highlighting the growing risks faced by communities and infrastructure in the Himalayan region from unstable glaciers and extreme weather events. Rescue and recovery operations continue in several affected areas.