Avasköy Kemeri
1.1 km · Avasköy Aqueduct, also known as Karakemer, Tekkemer, or Yılanlıkemer, is a historical aqueduct located within the borders of Esenler district in Istanbul. The structure, which has 11 arches, is single-layered, and is 10.3 meters high, is one of Mimar Sinan's works. Its total length is 109.5 meters; the arch spans are 4.5 meters. However, in the middle arch, this span was left as 6 meters. Hard limestone was used in the construction of the aqueduct.