The Varda Viaduct, aka Giaour Dere Viaduct, locally known as "Alman Köprüsü" or "Koca Köprü", is a railway viaduct situated at Hacıkırı (Kıralan) village in Karaisalı district of Adana Province in southern Turkey. Designed and built by Imperial German engineers as part of the Baghdad Railway, the stone arch structure is 63 km (39 mi) from Adana Central Station and 306 km (190 mi) from Konya.

The Taurus Mountains are a mountain complex in southern Turkey, separating the Mediterranean coastal region from the central Anatolian Plateau. The system extends along a curve from Lake Eğirdir in the west to the upper reaches of the Euphrates and Tigris rivers in the east. It is a part of the Alpide belt in Eurasia.