Mahasu Devta is the main Devta / Deity of the people living in the Jaunsar Bawar region of Uttarakhand as well as in the neighboring districts of Himachal Pradesh. The main Temple to Mahasu Devta is located in Hanol in Uttrakhand close to the border with Himachal Pradesh. Interestingly Mahsu Devta has a Kashmiri connection. We explore.