Nepal — A landslide has partially blocked the Chaulani River in Nepal’s far-western Darchula district, raising fears of a sudden flood in downstream areas, officials said.
The landslide occurred on Friday, September 4, in the Bhatta area of Api Himal Rural Municipality. Soil, rocks and other debris fell into the river, obstructing part of its normal flow.
Local authorities have warned that another landslide could completely block the river, allowing water to accumulate behind the debris. If the blockage gives way suddenly, a powerful surge of water could rush downstream and cause flash flooding in low-lying areas.
Residents Urged to Remain Alert
The Darchula district administration has advised people living near the river to remain vigilant and be prepared to move to safer locations if conditions deteriorate.
Security personnel have been deployed to monitor the situation, alert residents and assist with rescue and emergency operations if necessary.
Khagaraj Bhatta, chief minister of Nepal’s Sudurpaschim Province, has instructed local authorities and security agencies to remain on high alert and maintain adequate preparedness for any emergency.
River Flow Currently Normal
Nepal’s Armed Police Force said the Chaulani River was flowing normally as of Friday, but authorities were closely monitoring the situation.
Personnel from a security base associated with the Nepal Chameliya Hydropower Project in Balanch have also been deployed to monitor the river and warn nearby communities.
The Chaulani River, also known as the Chameliya, originates in the Api Himal region before eventually joining the Mahakali River. The Mahakali forms part of the Nepal-India border.
Fresh Concern Amid Recent Flooding
The latest landslide has heightened concerns as several parts of Nepal have recently suffered significant damage from floods and flash floods. The disasters have displaced residents, caused deaths and triggered ongoing rescue and rehabilitation efforts.
Authorities are particularly concerned that continued heavy rainfall could trigger additional landslides and further obstruct the river.
Residents in riverside and low-lying areas have therefore been urged to remain alert, as any further blockage could cause accumulated water to surge downstream without warning.

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