| Tamsa River | |
|---|---|
 | |
| Location | |
| Country | India |
| State | Madhya Pradesh, Uttar Pradesh |
| Physical characteristics | |
| Source | |
| • location | Maihar tehsil, Maihar district, Kaimur Range, Madhya Pradesh |
| • elevation | 610 m (2,000 ft) |
| Mouth | Ganges |
• location | About 30 km SE of Prayagraj |
• coordinates | 25°16′31″N 82°04′59″E / 25.27528°N 82.08306°E |
| Length | 264 km (164 mi) |
| Basin size | 16,860 km2 (6,510 sq mi) |
The Tamsa River is a major tributary of the Ganges flowing through the Indian states of Madhya Pradesh and Uttar Pradesh.