Length: 2,525 km

Source: Gaumukh (Gangotri Glacier) at 3,892 m above MSL

Ganga Basin: 10,80,000 sq.km

Drainage area: 8,61,404 sq.km

States: 11 states viz U.P., H.P., Uttrakhand, Rajasthan, Haryana, Himachal Pradesh, Chhattisgarh, Jharkhand, Bihar, West Bangal and Delhi.

Population Support: 43% of its population (448.3 million as per 2001 census).

Average Rainfall: varies between 39 cm to 200 cm, with an average of 110 cm.

Position (coordinates): 22°05′N 90°50′E

Courtesy: Wikipedia