- General Information
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Yarımburgaz Cave;Yarımburgaz Cave is approximately 20 km west of the city of Istanbul, and about 1.5 kilometres north of Lake Küçükçekmece and south of Sazlıdere Dam. It is situated in a locality known today as Altınşehir, within the neighborhood of Güvercintepe in Başakşehir district.The cave was formed as a result of a subterranean river eroding an ancient limestone formation.It has two entrances, one above the other. The lower entrance is at an altitude of 11.5 m, which the upper entrance is situated 7 m above. The cave is on the eastern bank of the Sazlıdere creek, which empties into Lake Küçükçekmece.The entrances face southwards overlooking Sazlıdere Valley. Whereas the lower cave has a length of 500 m , the upper is only 52 m long. After about 25 m inside, a short, sloping passage connects both caves. The lower cave is in the form of a meandering tunnel, forking into two at a distance of 240 m from the mouth. The upper cave’s chamber is 15 m wide and 10 m in height.