The curative salty Bear lake is located in the Kurgan region of Russia. The lake is fed with thawed snow of the Tobol and Ishim Rivers. In the summer water gets warm to 20 °C. Salinity of the lake is extremely high. The maximum depth is 1,2 meters. Average depth is 0,6 meters. There are 6 islands in the lake which divide it into two parts — Big and Small Bear lakes. The resort and sanatorium the Bear Lake is located on the northern coast of the lake.