Namtok Huai Yang National park covers the heap site of 161 sq.kms. on the Tanaowasi Mountain align in Amphoe Muang, Amphoe Thap Sakae and Amphoe Bang Saphan. The park capacity which is located in the area of Namtok Huai Yang blame be reached by route along Phetkasem Road to the south besides taking a repute at km.350-351 for another 7 kms.