The valleys of Yangyan River and Chiweixi River are deep, and the peaks on both sides stand tall, especially the karst landform, forming the natural landscape of virgin forests and caves. With the continuous development of social economy, the reputation of "hometown of poetry", "hometown of pepper" and "granary in northern Guizhou" has been widely circulated. Kuankuoshui Primitive Forest is located in the eastern part of Loushanguan Mountains in the north-central part of the county. It is the only deciduous, evergreen and broad-leaved mixed forest with strong primitiveness, including ancient rare plants Davidia involucrata and Phyllostachys glabra left over from Tertiary. Shuanghedong National Geopark is located in Guihua Village, Wenquan Town, north of the county seat. It is mainly composed of caves, ancient plant relics and their protection points. There are hot springs, karst canyons, waterfalls, strange peaks and rocks, geological structures and so on. , a geopark with a seamless landscape of surface and underground geological relics, is rare in China and even the world for its naturalness, systematicness and completeness. As of April 2003, the length of the cave has exceeded 70km, making it the longest cave in China and the 20th largest cave in the world, which is a major breakthrough in the history of cave exploration in China.