The Chahkoo canyon is a wonderful phenomenon made of erosion of Sedimentary rocks of the earth. It is one of the most important tourist attractions in Qeshm. This amazing canyon is in the heart of a Integrated rocky mountain. At the beginning it is wide but Gradually it becomes narrow ,while the walls are totally high. Some shallow wells and channals were diggedin order to manage water qurancy, that’s why the canyon name is Chahkoo. Considering the fact that the weather is hot and dry, drinking water is so vital and the wells and annals were built in order to supply the raining water. The wells and channels belong to the ancient time, and were used for the locals needs.