The Yepak river(Taraon language：ɑ˧˩ɹɑ˥；Yepuk river;Yabak Ti; Yerbi Ti )，is a tributary of Zayal Chu (Lohit River) . Its source is from Yepak Pok, Anjaw District, Chayu County, Tibet near Walong, and it flows southeast entering Zayal Chu (Lohit River) in Yepak (near Bish point L. camp).
Grasslands and dense forests are in the middle reaches. In the lower reaches, some lands are under shifting cultivation and others are arable .
References
Yepak river Wikipedia(Text) CC BY-SA