Ulken Koskol (; ) is a salt lake in Aiyrtau District, North Kazakhstan Region, Kazakhstan.Lakes in the Central Kazakhstan
Saumalkol town, the district capital (formerly Volodarskoye), is located to the southwest. Kenashchi village lies to the southwest of the southwestern shore.
Geography Ulken Koskol is an endorheic lake in the Kazakh Uplands. It is part of the Ishim River basin. The bottom is flat and the lakeshore is clayey and gently sloping,Nature of Kazakhstan Encyclopedia / General editor. B. O. Jacob. Almaty: "Kazakh Encyclopedia" LLP, 2011. Vol. Z. — 304 pages. ISBN 9965-893-64-0 (T. Z.), ISBN 9965-893-19-5 Ulken Koskol is located in an area where there are numerous lakes. Kishi Koskol lies to the SSE, Shalkar to the south and lake Saumalkol to the southwest. River Kamysakty has its sources a little to the NW of the northern end of Ulken Koskol.
The lake is fed mainly by snow and precipitation. Since the water is salty and has high mineral content it is not suitable for drinking. Ulken Koskol is largely surrounded by agricultural fields.Google Earth
Flora Sedges and fescue grow in the fields nearby that are not plowed.
See also List of lakes of Kazakhstan
References