Reb River

The Reb (also transliterated as Rib; Amharic "bottom, buttocks") is a river of north-central Ethiopia which empties into Lake Tana at 12°2′N 37°35′E / 12.033°N 37.583°E / 12.033; 37.583. The river originates on the slopes of Mount Guna, and flows west through Kemekem woreda. It has no significant tributaries.