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.
Koleshwar Mahadev is kuldaivat for many Chitpavan families of surnames Bhave, Bam, Kolhatkar (Kaushik Gotra), Oak, Modak (Vasishtha Gotra).[1]