Ali-Sadr Cave is one of the largest wetland cave in Iran and the rare water cave in the world, which is located in Hamedan Province.
Ali-Sadr is also the largest cave in the world. The height of the cave is 2100 meters above sea level. There are numerous labyrinthine corridors in the cave area.
A large lake has been created inside the cave by the chain of waters. Hence, the entrance into the depths of the cave is only possible by boat. Ali-Sadr Cave is one of the tourist attractions of Hamedan province.
Geologists believe the rock cave dating back to the Jurassic period, the second period of geology (190-136 million years ago). The region has a semi-arid climate with an average annual rainfall of 300 ml.
The ease of use of the canals inside this cave makes the Ali-Sadr Cave distinct from other water caves in the world. Due to its breadth, it can easily be traversed, and passed through it with the ordinary boats.
According to this report, there are many faults in Ali-Sadr Cave, 3-2 faults per meter. In addition, a numerous of cone holes are observed at intervals of 1-2 meters, which has both features facilitate the rapid penetration of surface water. In addition, the height of water in the Ali-Sadr Cave reaches 14 meters at the deepest point.