Gosupe
Gosupe, Govsupe - Tirza left tributary in Gulbene district, Augšgauja depression. Length 19 km. The river begins in the south of Lizum, flows through it to the north and further to the southeast. Highly overgrown and straightened upstream.
Largest tributaries: Kauļupīte, Isliņa, stream from Vaguļi lake.