Rivers of Bihar
The Rivers of Bihar are some important rivers of India. Rivers are the lifeline of any state or country and the same is true for Bihar. Rivers define the heritage, culture, and demography of any place. Here are some important rivers in Bihar.
List of All Important Rivers of Bihar
Ganga River
Total Length |
2510 km |
Length in Bihar |
445 km |
Catchment area in Bihar |
15,165 sq km |
Point of origin |
Gomukh glacier in Gangotri (Uttarakhand) |
Mouth (Empty in) |
Bay of Bengal |
Major tributaries |
Right bank Tributaries: Ramganga, Garra, Gomti, Ghaghara, Gandak, Burhi Gandak, Koshi, Mahananda. Left bank tributaries: Yamuna, Damodar, Tamsa, Karamnasa, Punpun, Kiul, Sone, Chandan, Ajoy, Falgu. |
Bagmati River
Total Length |
597 km |
Length in Bihar |
394 km |
Catchment area in Bihar |
6,500 sq. km |
Point of origin |
Mahabharata mountain range (Nepal) |
Confluence |
Lalbakeya River (Devapur) |
Major tributaries |
Vishnumati River, Lakhandei River, Lal Bakaya River, Chaknaha River, Jamuna River, Siparidhar River, Chhoti Bagmati and Kola River. |
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Kosi / Koshi River
Total Length |
720 km |
Length in Bihar |
260 km |
Catchment area in Bihar |
11,410 sq. km |
Point of origin |
Originates from Tibet drain into Nepal where it is called Saptakoshi. |
Confluence |
Ganga River near kursela |
Major tributaries |
Tamakoshi River, Dudh Koshi, Likhu Khola, Bhote Koshi, and Indravati. |
Source River |
Sun Kosi river, Arun river, and Tamor river combine to form Saptakoshi in Nepal. |
Ghaghara (Ghagra) river
Total Length |
1180 km |
Length in Bihar |
83 km |
Catchment area in Bihar |
2,995 sq. km |
Point of origin |
Tibetan Plateau near Lake Manasarovar |
Confluence |
Ganga at Revelganj |
Major tributaries |
Left bank: Bheri, Sarju, Kuwana, Rapti, Chhoti Gandak. Right bank: Seti, Dahawar, Sarda, Budhi Ganga. |
Gandaki River
Total Length |
630 km |
Length in Bihar |
260 km |
Catchment area in Bihar |
4,188 sq. km |
Point of origin |
Flows through the deep canyon of Dhaulagiri, Manaslu, and Annapurna. |
Confluence |
The Ganges at Sonpur |
Major tributaries |
Left bank: Daraudi, Trishuli, Budhi Gandaki River, Madi, Seti Gandaki River, Marshyangdi, Kali Gandaki. Right bank: Sarda, Seti, Budhi Ganga, Dahawar. |
Budhi Gandaki River
Total Length |
620 km |
Length in Bihar |
320 km |
Catchment area in Bihar |
9,601 sq. km |
Point of origin |
Someshwar Range near Vishambharpur. |
Confluence |
Ganga at Munger |
Major tributaries |
Masan, Danda, Pandai, Fog, Balor, Tiur, Sikta, Dhanauti, Anjanakote, Tilave. |
Mahananda River
Total Length |
360 km |
Length in Bihar |
376 km |
Catchment area in Bihar |
6,150 sq. km |
Point of origin |
Himalaya |
Confluence |
Ganges River (near Manihari, Katihar) |
Major tributaries |
Balason, Ratwa, Mechi, and Kankai |
Kamla River
Total Length |
328 km |
Length in Bihar |
120 km |
Catchment area in Bihar |
4,488 sq. km |
Point of origin |
Mahabharata (Nepal) |
Confluence |
Bagmati (Khagaria district) |
Major tributaries |
Tao, Baijnath Khola, Dhauri, Soni, Balan, Mainawati, Trisula, and Chadaha. |
Son River
Total Length |
780 km |
Length in Bihar |
202 km |
Catchment area in Bihar |
15,820 sq. km |
Point of origin |
Amarkantak (Madhya Pradesh) |
Confluence |
Ganga (at Patna) |
Major tributaries |
Left bank: Chhoti Mahanadi River, Ghaghara River, Johilla River. Right bank: Kanhar River, Gopad River, Rihand River, North Koel River. |
Karmanasa River
Total Length |
192 km |
Length in Bihar |
192 km |
Catchment area in Bihar |
11,709 sq. km |
Point of origin |
Kaimur district of Bihar |
Confluence |
Ganga (at Chausa) |
Major tributaries |
Durgavati, Goriya, Karunuti, Nadi, Chandraprabha, and Khajuri. |
Ajay River
Total Length |
288 km |
Catchment area in Bihar |
6,050 sq. km |
Point of origin |
Jamui, Bihar |
Confluence |
Bhagirathi River at Katwa. |
Major tributaries |
Pathro, Jayanti, Tumuni, and Kunur. |
Phalgu or Falgu River
Total Length |
235 km |
Catchment area in Bihar |
11,709 sq. km |
Point of origin |
Confluence of Mohana rivers and Lilajan river at Gaya. |
Confluence |
Punpun River |
Punpun River
Total Length |
200 km |
Catchment area in Bihar |
7,747 sq. km |
Point of origin |
Chota Nagpur Plateau (Palamu) |
Confluence |
Ganga at Fatuha |
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