| River Arpa | |
| River | |
| Country | India |
|---|---|
| Parts | Chhattisgarh, Odisha |
| Administrative areas |
Bilaspur |
| Tributaries | |
| - right | Ong, Jonk |
| City | Bilaspur, Chhattisgarh |
| Landmarks | Sarkanda old bridge, Rapta pull |
| Source | |
| - location | Domgaon, Bilaspur, Chattisgarh, Chhattisgarh, India |
| - coordinates | 22°05′N 82°08′E / 22.09°N 82.14°E |
| Mouth | |
| - elevation | 0 m (0 ft) |
| Length | 147 km (91 mi) |
| Basin | 141,600 km2 (54,672 sq mi) |
Arpa River (Hindi:अरपा नदी) is a main tributary of Mahanadi River which is known as the perennial source of irrigation in the state of Chhattisgarh. Making the lands of the state fertile from a very long time, Mahanadi interests the various districts of Chhattisgarh. The Mahanadi river gives rise to Shivnath river which inturn gives rise to the Arpa river.