Rivers
Bihar GK · नदियां · 15 facts
Ganga originates in Himalayas (Gangotri), flows 2,525 km through 5 states, ends in Bangladesh
Kosi (Sapt-Kosi): 7 tributaries combine; Originates in Nepal's Kanyam glacier
Brahmaputra flows through Assam but its upper course reaches North Bihar
Son River: 784 km long, flows from Jharkhand, joins Ganga near Patna
Mahananda: 260 km long, forms Bihar-West Bengal boundary, joins Ganga near Khagaria
Bagmati: 301 km long, flows through Mithila, tributary of Ganga
Burhi Gandak: Flows from Himalayas, joins Ganga in Patna district
Kamala River: Nepal-Bihar border river, tributary of Kosi
Jamuna: Tributary of Ganga, flows through Bihar
Multiple dams built: Darbhanga, Kosi Barrage, Son Barrage for irrigation & flood control
Gandak River (Narayani) forms Bihar-UP boundary and is tributary of Ganga
Punpun River is the only river originating within Bihar; joins Ganga near Patna
Falgu River in Gaya is mentioned in Ramayana; considered sacred by Hindus
Adhwara Group of rivers includes Kamla, Tiljuga, Bhutahi — all drain into Kosi
Sone Barrage at Dehri-on-Sone irrigates vast agricultural land in south Bihar