https://www.google.com/maps/@48.1877991,99.8580127,3a,75y,75.54h,90t/data=!3m8!1e1!3m6!1sAF1QipNlGOuO2b1LSbTMkig9MTeZ6LvWhUwU9w_PzKi0!2e10!3e11!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipNlGOuO2b1LSbTMkig9MTeZ6LvWhUwU9w_PzKi0%3Dw203-h100-k-no-pi0-ya301.63525-ro-0-fo100!7i8704!8i4352

and so what was it about khorgo mountain, then?....see previous post....go figure:

https://en.wikipedia.org/wiki/Khorgo

or should we be looking at the following?

Terkhiin Tsagaan Lake

"There is a small island at the middle of the lake, birds make their nest and lay eggs. About Terkhiin Tsagaan Lake, there is interesting story.
An ancient time, a mother and son were living this land and they carried their drink water from small fountain from the deep of ground. After they take some water they have to bung it. But one day son went to this fountain to take drink water but he forgot to bung it after take and he slept next to the fountain. Later some minutes this some area covered by huge water and son’s mother worried about his son and she take top of mountain named “Uran mandal”, bung the fountain. Since that time this lake is exist here. The top of “Uran mandal” mountain is Small Island that mentioned above."