The Song River in Dehradun district drains the central and eastern part of the Doon Valley, in the state of Uttarakhand, India.
[1] As is common in hilly areas, there are several streams running south from the mountains that merge into one river that emerges from the hills a little after Sahastradhara.
[1][2] It is a popular scenic spot for the nature lovers, based on the banks of a tributary of the Song, the Kali Gad.
A canal was constructed in the 18th century from the River at Kalinga, Maldevta to irrigate the large agricultural area of Raipur.
The areas of Balawala, Nathuawala, Nakronda, Gularghati, Harrawala and Ranjhawala are the ones which are benefitted with this Irrigation Canal System.