The Punpun River is a tributary of the Ganges. It originates in Palamu district of Jharkhand and flows through Chatra, Aurangabad, Gaya and Patna districts of the Indian states of Jharkhand and Bihar.
The Punpun originates on the Chota Nagpur Plateau, at an elevation of 300 metres (980 ft), The river mostly flows in a north-east direction and joins the Ganges at Fatuha, 25 kilometres (16 mi) downstream of Patna.
The main tributaries of the Punpun are – the Butane, the Madar and the Mohar.
The 200 kilometres (120 mi) long river is mostly rainfed and carries little water in the dry season. However, during rains, the Punpun often causes heavy flood damages east of Patna city. The catchment area of the Punpun is 8,530 square kilometres (3,290 sq mi). Agricultural area in the Punpun basin is about 5,000 square kilometres (1,900 sq mi). The average annual rainfall for the basin is 1,181 millimetres (46.5 in).
This river is mentioned in the Vayu and the Padma Puranas in connection with Gaya Mahatmya as the punah-punah (again and again) of which Pun-Pun is the colloquial form. The river might have been called by this name because it was frequently in spate. The Puranas interpret the word punah-punah in a spiritual sense that sins are removed again and again by offering oblations to forefathers in the river.
Punpun is a satellite town in Patna Metropolitan Region in Patna district in the Indian state of Bihar. It is located 10 km south of Patna. The name Punpun comes from the river Punpun, a tributary of river Ganges, on whose bank the village has flourished.
According to new master plan of Patna (PMR) the new airport for the city of Patna will be in Punpun.
Mata Seeta has spent some time near Punpun village at the bank of Punpun river. For Pind-dan Gaya and Punpun are the most important/ auspicious place in Hindu Dharma. Every year from Nepal and all over India Hindus come here to do pind-dan. It is saying that first pind-dan is done in Punpun after than Gaya.
Punpun is only 12 km from Patna, and better connectivity of Train and Road so it develop the education hub in future. AIIMS And IIT are located 15 km in range. In Punpun a S.M.D. College and Subodh Kumar mahila College provide Post Graduate Level Education. 10+2 level government School for boy and girl give better education in that reason. There are a lot of primary government and private school improve the education quality.