Gahar Lake is located beside the Oshtorankouh massif in Zagros range in the province of Lorestan .It is 2360m above the sea level,1700m long and 500m wide. Depth of the lake is 28m maximum. The area is one of the few ones in Iran that has been under good protection lately so the environment and flora look almost virgin.
Gahar lake is among the best sample of lakes that has been appeared due to the landslide.This lake has been located among Oshtoran kooh mountain chain and has a much similarity to glacial lakes from appearance aspect. The lake has 2/5km length and 500m wide, and it is feeded from rills and springs flowing from an adjutant highlands. The big sliding mass that has about 20mm volumes, has locked a big valley mouth and caused one natural dam, which the water gradual aggregation behind this dam has caused a lake.
Source:
http://www.irantraveller.org/…/106-gahar-lake-of-lorestan.h…