Sudobai River is left tributary of Jazator river with length 13 km. River began to dry up since 1991, scientists have linked this process with the depletion of water reserves feeding Sudobay. River is filled by water during rainfall season or snow melting only. The most of a year river is dried.
Sudobay pass has 2300 height. It opens beautiful view of the Iiktu peak, Tabyn-Bogdo-Ola peak and snow ridges of Shenelu from West side.