Ong River

Ong River is a tributary of Mahanadi river. It flows across Odisha and joins Mahanadi 240 km upstream of Sonepur where Tel merges. The river rises at an elevation of 457 m and runs 204 km before it meets Mahanadi. It drains an area of about 5128 km2.

Nearby rivers to Ong river: Tel Nadi 76 km, Gorkha Nadi 171 km, Subarnarekha River/Swarnarekha River 431 km, Godavari 485 km, Manairu Vagu 508 km.