Kothaligad is a small fort but a popular one situated at east of Karjat. It is also known as the Fort of Peth because of its vicinity to Peth village at its base. There is a small temple and large cave at the base and a chimney like tunnel to the top of the fort.
This pinnacle is carved from inside forming a staircase reaching the top. Reaching the top will give you immense pleasure and also you can get the spectacular views of Peth Village from the top.