State

Geographical area (km²)

Area in riverscape (km²)

Percent area in riverscape

Uttarakhand

53,483

23,372

43.70

Uttar Pradesh

240,928

25,639

10.64

Bihar

94,163

12,964

13.77

Jharkhand

79,714

3529

4.43

West Bengal

88,752

18,442

20.77

Total

557,040

83,946

15.07