Reprua River
The Reprua is a river in the Gagra District of Abkhazia, Georgia. Only long, it is one of the shortest named rivers in the world. It's also claimed to be the deepest river in the world with a depth of more than 2300 m.
Sources of the river are the springs in karst Krubera Cave. The Reprua flows into the Black Sea, in the southwestern outskirts of Gagra.