Semnan province office for research and study of outsider Iranians

Darband cave of Mahdishahr - Seman
This cave is the largest one of the province that is located in 3 km south Shahmirzad and north of Mahdishahr towards a green and pleasant Darband valley.The length entrance of the cave of cave is 1/35 m and width 2/75 m . after passing the entrance way of cave would entered a long passage with length of 24 m and width approximately 3m.
The interior space of the cave is simple and the shape oval with the length of 91 m with maximum width of 36 m and the tallest spot of the most beautiful and worth seeing cave of Iran .
The length of tallest stalagmites column is 12 m with the average radius of 2.85m.