Nagavali
| Nagavali | |
| Langulya | |
| River | |
| Country | India |
|---|---|
| Source | Lakhbahal |
| Length | 256.5 km (159 mi) approx. |
| Discharge | for Bay of Bengal |
| - average | 24 m3/s (848 cu ft/s) |
The River Nagavali also known as Langulya is one of the main rivers of Southern Odisha and Northern Andhra Pradesh States in India, between Rushikulya and Godavari basins.
Nagavali River rises in the eastern slopes of the Eastern Ghats near Lakhbahal in the Kalahandi district of Odisha at an elevation of about 1,300 metres (4,300 ft). The geographic co-ordinates of the river are north latitudes 18 10 to 19 44 and east longitudes of 82 53 to 84 05. Niyamgiri hills where Bauxite mining is proposed are located in Nagavali river basin.
The total length of the river is about 256 kilometres (159 mi), of which 161 kilometres (100 mi) are in Odisha and the rest in Andhra Pradesh. The catchment area of the basin is 9,510 square kilometres (3,670 sq mi). Nagavali is an interstate river with 4,462 square kilometres (1,723 sq mi) and 5,048 square kilometres (1,949 sq mi) river basin area located in Odisha and Andhra Pradesh respectively. The river basin receives 1,000 millimetres (39 in) average rain fall annually. The uplands of the river basin are hilly areas with predominantly tribal populated. It drains parts of the Kalahandi, Rayagada and Koraput districts of Odisha and Srikakulam, Vizianagaram districts of Andhra Pradesh.
The main tributaries of the River Nagavali are Jhanjavati, Barha, Baldiya, Satnala, Sitagurha, Srikona, Gumudugedda, Vottigedda, Suvarnamukhi, Vonigedda, Relligedda and Vegavati. The Suvarnamukhi river takes its birth in the hills of Salur mandal and takes an eastern direction and finally join the Nagavali at Sangam village in Vangara mandal of Srikakulam District. Vegavathi originates in pachipenta hills of Pachipenta Mandal.
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