Sasykkol lake (translated from the Kazakh language "Sasyk" - rotten, fetid;" Kol " - lake), in the delta of the Alakol Biosphere Reserve, flows the Tentek river in the South, and the river also flows into the Sasykkol lake. The average depth of the lake is about 3 m, and the maximum -4.7 m. The average annual water level varies up to 60 cm due to the fact that the lake is flowing.
Sasykkol lake (Kazakh for "rotten" or "fetid," and "lake"), located in the Alakol Biosphere Reserve's delta, is fed by the Tentek river from the south. The lake also drains into this river. On average, the depth of Sasykkol lake is around 3 meters, with a maximum depth of -4.7 meters. The annual water level changes by up to 60 centimeters due to the lake's flow.