Kothligad is a hill fort, situated at an altitude of 1550 feet. The base village is Ambivali and the fort is in the eastern part of Karjat region. Kothligad has a large cave, good enough for overnight stay. Another interesting feature here is the pinnacle which is carved from the inside, made into a staircase to reach the top. Because of its vicinity to Peth village at its base, it is also called the Fort of Peth. The Ancient carved den, darwaja and rock cut steps are famous sites worth visiting here. Best season to visit Kothligad is from October to May.