Khao Phra Wihan National Park
Nam Yuen, Thailand · built 1998
Khao Phra Wihan National Park is a protected area in Kantharalak district, Sisaket province, Thailand, that contains numerous ruins of the 11th century Khmer Empire. The park lies 98 km (61 mi) south of the town of Sisaket, at the end of Thai highway 221. Sited on a red stone cliff that is part of the Dângrêk Mountains on the southern edge of the Khorat Plateau, it abuts the international border between Thailand's Sisaket province and Cambodia's Preah Vihear province. The name of the cliff is Pha Mo I Daeng. The park was established on 20 March 1998, with an area of 81,250 rai ~ 130 square kilometres (50 sq mi).
NatureReserve data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).