Yamuna Upper Sub-basin
 

The geographical extent of the Yamuna Upper sub-basin lies between 75 45' to 78 37' east longitudes and 27 18' to 31 25' north latitudes of the country. The physiographical and geological features of the Yamuna Upper sub-basin which lies in the Himalayan range accounts for most of the runoff in the river. This region on an average receives a good rainfall of about 1500 mm. The Yamuna Upper sub-basin of Ganga basin has a total catchment area of 35,798 Sq.km. The sub-basin covers the states of Uttarakhand, Himachal Pradesh, Delhi, Haryana, Rajasthan and Uttar Pradesh. The sub basin map is shown below:

 

 (Source: India-WRIS)