Prabalgad Fort, also known as Kalavantin Durg (Kalavantin’s Fort), is located between Matheran and Panvel in the Indian state of Maharashtra, at an elevation of 2,300 feet in the Western Ghats. It was built at the pinnacle of a rocky plateau very close to Matheran. Previously, the fort was known as Muranjan until it was taken over and renamed by the Maratha forces under Shivaji's rule.

The fort can be approached via a chillingly steep climb. The steps leading up to the fort were cut into the rock of the hill. There are no safety rails on the edge and no ropes on the wall to grab on to. The hardest part is the descent, especially if you have vertigo.

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