The length from the west to the east is 1200 km, the width in the west is 900 km and in the east 400 km. In the center are the Karkaraly mountains (1403 m).Two reserves located on the territory of the Kazakh melkosopochnika - Korgalzhyn and Naurzum - are a UNESCO World Heritage Site.The Kazakh melkosopochnik crosses many non-navigable rivers. The major rivers are Ishim, Nura, Sarysu, Sileti, Shiderty, Tokyrau. They feed mainly due to spring snowmelt, partly groundwater. Constant runoff is observed only on Ishim. The Irtysh-Karaganda canal was constructed to provide fresh water to this region. There are many salt lakes in melkosopochnik.