Egma Sinkhole, Natural sinkhole in Sugözü village, Anamur, Turkey.
Egma Sinkhole is a natural cave system in Sugözü village near Anamur that descends 1,429 meters into the earth and extends approximately 3,118 meters horizontally through limestone formations. The underground network features complex passages, vertical shafts, and multiple levels with varied geological characteristics.
This geological formation was first documented in 1993 by the Boğaziçi University Speleological Society, marking the start of systematic exploration. Subsequent expeditions have continuously mapped and studied the extent and depth of this underground system.
The name EGMA combines the initials of explorers Evren Günay and Mehmet Ali Özel, honoring their work in Turkish speleology. The cave has become a symbol of the country's remarkable underground geology and attracts researchers from around the world.
Specialized cave exploration equipment and experienced guides are essential for navigating through the complex network of passages and vertical drops safely. Access is not suitable for casual visitors and requires physical fitness along with comfort in tight, damp environments.
This cave ranks as Turkey's deepest and stands at number 14 globally among the deepest known cave systems. This extraordinary depth makes it a key location for karst research and attracts specialized expeditions.
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