Uchan-su (river)
Uchan-su, is a river that flows in the South Coast of Crimea. The name translates from the Crimean Tatar language for 'swift water' .
The river runs into the Black Sea in the center city of Yalta. It begins at the foot of Ai-Petri, flows upstream the gorge and then at a distance of from the source forms the Uchan-su waterfall, located at an altitude of and consists of several levels.
The river water is used extensively for water supply and irrigation.
