Kaldurga fort is hill type fort and is located in Palghar taluka, of Palghar District. The height of this fort is about 1550 feet. The fort range is Palghar range contains many hill forts and Kaldurg is one of them.
The top of the fort is rectangular. Due to this rectangular shape of fort one can easily locate it from a distance. There is no sign which states that this is a fort. There are large numbers of forest trees on thefort so healthy population of tribes is on the fort. But standard of living is poor. The fort is divided due to this rectangular rock as fort above the rock and fort below the rock. There are two to three steps which separate these two parts.