Dhal Al Misfir is a cavern that is a natural landmark in the Rawdat Rasid area of Qatar.[1][2] The cave contains fibrous gypsum crystals.[3] Its depth is anywhere from 40 meters[3] to at least 100 meters.[4] The entrance is approximately 12 x 4.5 meters and its gypsum crystals derive from the Lower Dammam Formation and Rus Formation.[4]