 Setlak Lui (Lui = river in Mizo) runs along the valley and is joined by Rultawi Lui, Hratdawng Lui, Lalmangkhawng Lui, and Lungsumzau Lui.Kel Lui and Chengkawl Lui also flow through the area.These streams mostly flow in a north-westerly direction to join the Tlawng River.