Located in Libo County, and 314 kilometers away from Guiyang City, Libo Zhangjiang is characterized by Karst landform and integrates mountains, waters, forests, caves, lakes and waterfalls. This area is regarded as rare remains of semitropical Karst virgin forest, and consists of three attractions, namely Big Seven Holes, Small Seven Holes and water Spring River Canyon with most natural scenes in Small Seven Holes.