Oolong gap is positioned below the Datong County, a village 1 kilometers south of Cetian Reservoir, is in the middle of a long valley, on both sides of the volcano lava, the river water billions of years of washing, long 10 kilometers, wide 100 meters of natural surprising gap, gap reluctantly bid farewell, green lawn, Xi Qing cliff jade, stone Jianhua ISO, black rock dotted, gurgling flowing around it, blue scales down the lake, the boat is not ten to wear to wear. Is a picturesque natural scenery. The natural landscape and human landscape rich, also called Oolong Sanjue Wulongquan, oolong Tan, oolong hole. It is the ideal place for your vacation tourism, summer trip.