Kocunia (Kocuń, in the upper reaches of Skicka Struga) - a river, left-bank tributary Głomi with a length of 42.34 km. It flows through the Pojezierze Krajeńskie, including it flows through the Borówno Lake (Special Habitat Protection Area Natura 2000 "Uroczyska Kujańskie" (PLH300052) and Sławianowskie Wielkie Lake. It flows into Głomi in 26.2 km of its course in the vicinity of Krajenka. . A significant part of the catchment are agricultural crops. A canoe trail runs along the river.