| Location: Five kilometers west to the Akalan Village of Catalca lies the Besmeler Village. The cave is located in a forestry 1 km further towards Saray. While coming from Gürpinar; a turn should be made to right to a dirt road leading to the sand quarry. After 100 m; a turn should be made to left on the line of the utility poles. It may not be easy to reach to the depression as the area is occupied by trees. |
| Geography and Environment: It was formed within a depression of calcareous structure. The cave is reached from a 4 m mouth through a 25 m descent. It elongates northeastward by an approximately 20 m path which is covered by rocks and stones; and ends up in a somewhat large hall and a soil sinkhole. The depth of the cave is -39 m at this point. It is the deepest known cave of Istanbul region. |
| Destruction Details: |
