Wo Hu Mountain Great Wall is located in the western part of the Gubeikou Great Wall system. It has the highest altitude of 665.22 meters and a relative height of 450 meters. The mountain slope is steep, and it is named for its peak shape that looks like two tigers, one lying and one crouching. Wo Hu Mountain Great Wall is characterized by its grand dangerous uniquely beautiful scenery. It is a masterpiece in the history of the Great Wall architecture because of its old age, many changes, ingenious layout and complete facilities.