Ghaghara
| Ghaghara Karnali Sarayu Mapcha Tsangpo | |
|---|---|
Karnali (Ghaghara) river in Nepal | |
Map showing the Ghaghara and Gandaki tributaries of the Ganges | |
| Location | |
| Country | Tibet, Nepal, India |
| Physical characteristics | |
| Source | Mapchachungo Glacier |
| • location | Tibet |
| • elevation | 3,962 m (12,999 ft) |
| Mouth | Ganges |
• location | Revelganj, Bihar, India |
• coordinates | 25°45′11″N 84°39′59″E / 25.75306°N 84.66639°E |
| Length | 1,080 km (670 mi) |
| Basin size | 127,950 km2 (49,400 sq mi) |
| Discharge | |
| • average | 2,990 m3/s (106,000 cu ft/s) |
| Discharge | |
| • location | Nepal |
| • average | 1,369 m3/s (48,300 cu ft/s) |
| Basin features | |
| Tributaries | |
| • left | Bheri, Kuwana, Rapti, Chhoti Gandak |
| • right | Seti, Dahawar, Sarda, Budhi Ganga |
The Ghaghara River, also known as the Karnali River in Nepal, Mapcha Tsangpo in Tibet, and as the Sarayu River in the lower Ghaghara of India's Awadh, is a perennial trans-boundary river that originates in the northern slopes of the Himalayas in the Tibetan Plateau, cuts through the Himalayas in Nepal and joins the Sharda River at Brahmaghat in India. Together they form the Ghaghara River, a major left-bank tributary of the Ganges. With a length of 507 km (315 mi), it is the longest river in Nepal. The total length of the Ghaghara up to its confluence with the Ganges at Revelganj in Bihar is 1,080 km (670 mi). It is the largest tributary of the Ganges by volume and the second largest by length after Yamuna.