Huai Yang Waterfall National Park is a smaller protected area located at the Tanao Sri Mountain Ranges at the border to Myanmar. The park covers 161 km² in Prachuap Khiri Khan Province, only 36 km from the town center. The main attractions of the park are number of waterfalls. The park is montane area with elevations between 200 to 800 meters above the sea level, an important watershed of rivers in the area. The forest habitat is part of the vast forested area extending in Myanmar, the neighbouring Lenya National Park at the other side of the border is 1761 km². Apart from few neighbouring smaller pockets of forested areas, the surrounding areas in Thai side of the border are completely deforested.