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Nepal to drain glacial lakes to prevent repeat of deadly flooding

Authorities in Nepal are implementing a water management project to drain four glacial lakes through controlled canal systems. The initiative aims to mitigate the risk of catastrophic flooding similar to previous disasters in the mountainous region.

LSN Singapore · 2 October 2026

Nepal to drain glacial lakes to prevent repeat of deadly flooding

Nepal's government has initiated plans to drain four glacial lakes as part of a comprehensive flood prevention strategy following devastating inundation events. The project will involve constructing canals that will channel water from the lakes into nearby river systems in a regulated manner, reducing the buildup of water that could trigger sudden outflows.

Experts overseeing the initiative emphasize that the controlled drainage approach will minimize environmental disruption while significantly lowering the risk of glacial lake outburst floods, a natural hazard that poses considerable danger to communities in the Himalayan foothills. Glacial lakes, which form as glaciers recede due to climate change and warming temperatures, can accumulate large volumes of water and pose serious threats when dams fail or overflow suddenly.

The project represents a critical infrastructure investment for Nepal, where such floods have caused substantial loss of life and property damage. By implementing systematic drainage mechanisms, authorities aim to protect downstream settlements and critical infrastructure from the unpredictable nature of glacial lake hazards. The initiative is expected to enhance disaster resilience in one of the region's most vulnerable areas to climate-related water hazards.