Ramganga West River originates from Doodhatoli ranges in the district of Pauri Garhwal, Uttarakhand state of India. The Ramganga River flows to south east from Kumaun Himalaya. It is a tributary of the river Ganges, originates from the high altitude zone of Namik Glacier(3600 m). Ramganga flows by the Corbett National Park near Ramnagar of Nainital district from where it descends upon the plains. Bijnor, Moradabad, Bareilly, Badaun, Shahjahanpur and Hardoi cities of Uttar Pradesh are situated on its banks. The Ramganga Dam crosses the river at Kalagarh (Partially in Bijnor District & Pauri Garhwal District) for irrigation and hydroelectric generation. An annual festival of Ganga Dussehra is organised on its banks annually during the months of September and October at Chaubari village near Bareilly. It has a drainage basin of 30,641 km2. (11,831 sq.mi).