Chalköy Cave” is considered the “Chalköy” Cave in the city of Trabzon in northern Turkey, the second longest cave in the world and one of the landmarks of “Duzköy”, which is located at an altitude of 1050 meters above sea level. It is also surrounded by picturesque nature, as the cave contains valleys and water pools, and more The stalactites and stalagmites that were formed over millions of years are beautiful. The cave is also 8 km long and visitors are allowed to wander within 1 km of the cave. The cave contains a clean airway, which has positive effects on asthma patients. There is a small café in Chal Cave where you can sit. And drink tea and enjoy the view of a wonderful pool of water below. There is also a distinctive restaurant at the entrance to the cave