Purna Wildlife Sanctuary is located in South Gujarat between Vyara, Tapi District and Ahwa, Dang District, Gujarat, India. It was declared a sanctuary in July 1990. It derives its name from the Purna River, which flows through it.
The sanctuary has thick forest cover of teak and bamboo. It has a tropical climate with moderate to heavy rainfall. The average rainfall received by this region is about 2500mm.