Ganga and Its Tributaries

• The Ganga basin is one of the largest river basins.
• It lies in China, Nepal, India and Bangladesh and drains an area of about 10,00,000 sq. kms.
• In India, its catchment lies in the states of Uttar Pradesh, Uttarakhand, Madhya Pradesh, Chhattisgarh, Bihar, Jharkhand Rajasthan, West Bengal, Haryana, Himachal Pradesh and Delhi.
• The Ganga originates as Bhagirathi from the Gangotri Glaciers in the Himalayas at an elevation of about 7,000 m above mean sea level, in the Uttarkashi district of Uttarakhand.
• The Bhagirathi is joined by the Alaknanda at Devprayag and the combined stream under the name Ganga fl owing through the mountain region debouches into the plains at Rishikesh.
• It is joined by a large number of tributaries on both the banks in the course of its total run of about 2,500 km before its outfall into the Bay of Bengal.