Saturday, May 14, 2011

Tsho Rolpa Glacial Lake in Rolwaling Valley, Dolakha

(Photo: Badri Shrestha, August 2010)
Tsho Rolpa lake (27o51’N, 86o29’E) is located in the Rolwaling valley of Nepal at an elevation of 4555m (measured at the field). The lake has been developed only in the last 50 years, as the glacier feeding it has begun to melt rapidly. The trakarding glacier above the lake is retreating at a rate of over 20 meters a year due to rising temperatures. During the field visit, it was observed that the maximum temperature at the lake is about 18oc at sunny time in the month of August, 2010. The lake is 3.23 km long and 0.5 km wide, and 1.76 km2 surface area and contained 86 million m3 water. The lake is considered one of the most dangerous glacial lakes in Nepal.

(Photo: at lake, August 2010)

Staff house at top of moraine dam (Photo: Badri Shrestha, August 2010)

15kw micro hydropower is in operation from lake water (Photo: Badri Shrestha, August 2010)

For more detail information click on:
Shrestha, B. B., Nakagawa, H., Kawaike, K., Baba, Y. and Zhang, H.: Field assessment of Tsho Rolpa Glacial Lake in Rolwaling valley of Nepal, Newsletter, NEA-JC, Vol. 4, No. 2, pp.13-14, 2011. (

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