Dom Noi River

The Dom Noi River that stopped by Sirindhorn Dam

The Dom Noi River (Thai: ลำโดมน้อย, rtgs: Lam Dom Noi, Thai pronunciation: [lam doːm nɔ́ːj]) is a tributary of the Mun River, originates in the Dongrek mountains and flows northwards. The river passes Buntharik district and is stopped by the Sirindhorn Dam in Tambon Chong Mek, Sirindhorn district. It is 150 kilometres (93 mi) long.

Srindhorn Reservoir

The Sirindhorn reservoir is the biggest water resource of Ubon Ratchathani Province.