Dosar Cave

This cave is located about 30 km from Mehriz Town in Yazd Province, South of Iran. From the closest point that can be reached by car, it is a further 1.5 km trekking the cave entrance. The area in which the cave is situated in an Environmentally Protected Area.
The cave entrance opens to the first shaft which is 19 m deep. From the base of this shaft, the second and final shaft is reached after only 8m. This shaft enters the roof of a huge chamber and is 90m deep. The first 10m of this shaft is 5 m wide and the rest (80 m) is free-hanging descent to the floor of the chamber.
The Main Chamber is 385 m long, 265 m wide and 70m high. This gives a floor area of 81.000 m², which ranks it as the 4th largest chamber in the world in March 2013.
The difference in height between the lowest and highest points in the chamber is 110 m. The floor of the chamber slopes towards the deepest part of the cave where any water that enters the chamber/cave flows and sinks into mud and debris in this part of the cave. The floor of the main chamber is littered with large rocks that appear to have fallen from the ceiling.