Yuryuzan River (Russian: Юрюза́нь, Yuryuzán; Bashkir: Йүрүҙән, Yürüðän) is a river in the Republic of Bashkortostan and Chelyabinsk Oblast in Russia, a left tributary of the Ufa River (Kama basin). The length of the river is 404 kilometers (251 mi). The area of its basin is 7,240 square kilometers (2,800 sq mi). The Yuryuzan River flows into the Pavlovskoye Reservoir near Karaidel. It freezes up in the second half of October – early December and stays under the ice until April. The river is navigable within the first 16 kilometers (9.9 mi) of its estuary. The towns of Yuryuzan and Ust-Katav are located on the Yuryuzan River.