Kara River (Shilka tributary)
Amur River watershed
The Kara River is a river in Transbaikalia, a tributary of Shilka River with the mouth at Ust-Karsk.
In 1832 gold was found by the Kara River. The deposit by the river was one of the richest in Transbaikalia. To man gold mining the system of Kara katorga prisons (1830–98) was established.