Shri Dev Koleshwar is an ancient Shiva Temple located at Kolthare, a village from Dapoli Taluka of Ratnagiri District from Maharashtra state in India.
A cave temple of Chankai devi is located at about 6 km at Dabhol.
References
https://web.archive.org/web/20121221113418/http://www.maharashtradesha.in/kolthare.htm