“Phu Hin Rong Kla National Park is a national park located in the Loei, Phitsanulok and Phetchabun Provinces of Thailand. The protected area is located in the forested mountains of the Luang Prabang Range close to the border with Laos and is part of the Luang Prabang montane rain forests ecoregion”[1]
“The park has many different terrains including waterfalls, lush forests, and plains of rocks with the highest point in the park at 1,617 meters above sea level. There are different types of rock formations with splits in the rocky grounds and uneven formations. The park offers the opportunity to explore many of its renowned historical sites in the past.”[2]
[1] https://en.wikipedia.org/wiki/Phu_Hin_Rong_Kla_National_Park
[2] http://www.tourismthailand.org/Attraction/Phu-Hin-Rong-Kla-National-Park–4759