Bimmah Sinkhole

Bimmah Sinkhole is a water-filled depression, structurally a sinkhole, in the limestone of eastern Muscat Governorate in the Sultanate of Oman. A lake of turquoise waters, it is 50 m by 70 m wide and approximately 20 m deep. It is only about 600 m away from the sea, between the coastal towns of Ḑibāb and Bimmah.