Himalayan Glacial Lakes Pose Severe Flood Risks to Millions in India
Himalayan Glacial Lakes Pose Severe Flood Risks to Millions in India
IN · Published Nov 4, 2026
• Rapidly melting glaciers in the Hindu Kush Himalayan region are forming unstable glacial lakes, posing a significant threat to millions of people in India.
• A UN-linked study highlights that India has recorded over 6,000 fatalities from Glacial Lake Outburst Floods (GLOFs) between 1835 and 2025, the highest in the region.

Impact & Risks

The risk of GLOFs is particularly acute for communities living near expanding glacial lakes in mountainous regions. These floods can destroy homes, infrastructure, and agricultural land, displacing thousands and causing significant economic losses. Vulnerable populations in remote areas face heightened challenges due to limited access to communication and evacuation routes. Events like the 2023 South Lhonak lake GLOF in Sikkim, which affected 80,000 people and caused damages exceeding Rs 1,480 crore, underscore the devastating impact of these disasters.

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