©The Archaeological Settlements of Turkey - TAY Project


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Horizontal Cave
152 m
1282 m
Black Sea


Location: The road deviating to left (former Ankara highway) after the Sapca Tunnel on the Zonguldak-Ankara motorway leads to Cayirliköy; passing by the Sapca and Güdüllü villages. The cave is reached by a small pathway leading to the mills before the village.
Structural Properties and formation : The Cayirliköy Cave was formed within the Visean aged Yilanli Formation; This formation; which comprises the oldest karstic rock of the survey area consists of limestones; dolomitic limestones and dolomites. The waters of Sofular and Egridere sink into the entrance mouth of the Cayirköy cave; progressing 104 m in the underground and draining from Cayirköy. The entrance starts with a vertical descent about 30 m; and ends up with a siphon 500 m after. Progressing horizontally with lakes; it has a deep lake at the end.
Research History: The first survey was carried out by K. Lindberg; a Swedish speleologist in 1951 to examine the forms of life in the cave. The second comprehensive survey was carried out in 1970 by three Spanish speleologists under J. Ullastre from Barcelona; and published in Spain. It was mapped by the Spanish Club "Muntanyenc Barcelona". During the survey conducted by K. Laumanns; it was mapped to the BCRA 3b standard; and the length of the cave was indicated to be 1282 m [Kaufmann 1993:28-29]. It was also explored by MTA. It takes place in the registered archaeological sites list prepared by Ministry of Culture and Tourism.
Findings: During the survey carried out in 1993; bats (Rhinolophus ferrumequinum; Miniopterus schreibersii) were seen [Benda-Horacek 1998:260; 299].

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