Karmanasa River
| Karmanasa River | |
|---|---|
| Location | |
| Country | India |
| State | Uttar Pradesh, Bihar |
| Physical characteristics | |
| Source | |
| • location | Sarodag, Kaimur district, Kaimur Range |
| • elevation | 350 m (1,150 ft) |
| Mouth | Ganges |
• location | Chausa, Buxar district |
• coordinates | 25°30′54″N 83°52′30″E / 25.51500°N 83.87500°E |
| Length | 192 km (119 mi) |
| Width | |
| • average | 385 ft |
The Karamnasa or Karmanasa River (Hindi: कर्मनाशा नदी) is a tributary of the Ganges. It originates in Kaimur district of Bihar and flows through the Indian states of Uttar Pradesh and Bihar. Along the boundary between Uttar Pradesh and Bihar it has the districts of Sonbhadra, Chandauli, Varanasi and Ghazipur on its left (UP side); and the districts of Kaimur and Buxar on its right (Bihar side).