It is about 12 km from Malavli railway station and can also be approached from Lonavala. Tung Fort has an elevation of 1075 m above sea level. Since Pawna was built, it is now surrounded by water on three sides. One can ferry across in a boat from Pawna dam to its base village, Tungi.
Tung Fort was built before 1600 CE. It was built by the Adil Shahi dynasty but was captured by Chatrapati Shivaji Maharaj. It is small, and not able to hold more than 200 troops at a time. As such, it would not have been able to defend itself on its own for a long time. Its shape and structure suggest that its main function was as a watchtower guarding the road to Pune city. The Dhamale family, one of the Deshmukh from the Maval region, was charged with ensuring the security of Tung Fort. During invasion, it served to provide a temporary distraction for invaders. Thus, the major forts of Visapur and Lohagad would have time to prepare themselves to meet the invading army. This fort served as a watchtower in the past because from top of the fort, a lot of area in the Maval region of the Pawana and Mulshi valleys can be seen, and thus, from the top of the fort, a watch on these areas can be kept.
Its sharp, conical peak makes Tung Fort a prominent landmark, even from a distance. It has an oval shape, thick walls and numerous bastions. A steep climb on grassy slopes leads to the ruins of a temple at the summit. A rocky staircase leads several feet down to a water reservoir. From the top of the fort, the Lohagad, Visapur, Tikona and Korigad forts are clearly visible.