Erwan water falls Located in West Thailand in the Tenasserim Hills range of Kanchanaburi Province, it is home to one of the most popular falls in the country. Founded in 1975 as Thailand’s 12th National Park, it is covering an area of 550 km². The major attraction of the park is the 7-tiered Erawan Falls with emerald green ponds. There are also several impressive and long caves within the park, some of them deeper inside the park, few of them along the roads around the park. The park and the falls are named after the three-headed white elephant of Hindu mythology. The top tier of the falls is said to resemble an elephant head. Around 80% of the park is mixed deciduous forests and the rest on higher elevations deeper inside deciduous dipterocarp and dry evergreen forests. The park consists of limestone hills, plains and number of streams. Elevation is around 165 to 996 meters asl.