Reb River
Reb River ( also transliterated as Rib; Amharic "bottom , buttocks" ) is a river of north-central Ethiopia which empties into Lake Tana at . 
<triplet> Reb River <subj> Lake Tana <obj> mouth of the watercourse <triplet> Lake Tana <subj> Reb River <obj> inflows <subj> Ethiopia <obj> country