TerisakkanThe Terisakkan is a river of northern Kazakhstan. A left tributary of the Ishim, it is long and has a basin area of.GeographyIt flows through the western parts of the Kazakh Uplands and the average annual flow is approximately, with a maximum up to. In the upper reaches it dries up, and it freezes to the bottom in some winters. Peak flow is in April during snowmelt. Together with the Kamysakty, Kalkutan, Zhabay, Akkanburlyk and Imanburlyk, the Terisakkan is part of the Ishim Water Management Basin.