Zusha
The Zusha is a river in Tula and Oryol Oblast in Russia, a right tributary of the Oka. The length of the river is 234 km. The area of its basin is 6,950 km². The Zusha freezes up in early December and stays icebound until late March. The Neruch is its biggest tributary. The Zusha is navigable from Mtsensk.
