Kak (Ulken Kak)

Kak
Қақ / Үлкен Қақ
Sentinel-2 image of the lake in 2021
Kak
LocationIshim Plain
West Siberian Plain
Coordinates53°35′N 66°12′E / 53.583°N 66.200°E / 53.583; 66.200
Basin countriesKazakhstan
Max. length9.3 kilometers (5.8 mi)
Max. width7.3 kilometers (4.5 mi)
Surface area52.24 square kilometers (20.17 sq mi)
Average depth1 meter (3 ft 3 in)
Residence timeUTC+6
Shore length131 kilometers (19 mi)
Surface elevation163.7 meters (537 ft)
1 Shore length is not a well-defined measure.

Kak (Kazakh: Қақ; Russian: Как), also known as Ulken Kak (Kazakh: Үлкен Қақ), is a lake in Timiryazev District, North Kazakhstan Region, Kazakhstan.

The southern shore of the lake lies very close to the border with Kostanay Region. Timiryazevo town, the administrative center of the district, lies 25 kilometers (16 mi) to the northeast of the lake.