Vice Chairman of the rural municipality Resham Punmagar said that the water in the river is blocked to become a lake there and added that the landslide is still happening.
The people in the lower basin areas have been told to apply precautions after the blockage in the river.
The rural municipality chairman Prem Prasad Pun, vice chairman Punmagar, people's representatives and the security personnel from Takam Police Post are on the way to the site.
Emerging from Mt Dhaulagiri, the Myagdi river joins the Kaligandaki river from Beni bazaar, the district headquarters of Myagdi.
Meanwhile, a 35-year-old man died and next one went missing in a landslide at Lupsipar of Malika Rural Municipality-3 in the district.
Jagendra BK was buried in the landslide and his son Saroj BK, 13, went missing in the site, said Police Inspector Sagar Paudel of District Police Office, Mygadi.
Paudel said that both Jagendra and Saroj were buried in the landslide while they were cutting grass in their farms.
A search for the missing one is ongoing by the police personnel from Area Police Office, Darbang.
