The Lenyadri Caves house the only Ashtavinayak temple located on a mountain. Located at Junnar, around 96kms from Mumbai, these Buddhist Caves are of Archaeological importance. Check the link for more detailshttp://asi.nic.in/asi_monu_tktd_maha_junnarcaves.asp. There's a Stupa, adjacent to the sanctum visited by all devotees.
