Phu Ruea (Thai: ภูเรือ), is a 1365 m high mountain in Loei Province, Thailand. It is located in Phu Ruea District, giving its name to the district. This mountain is part of the Phetchabun Mountains, a massif forming a natural boundary between North Thailand and Isaan. The peak rises 7 km north of Highway 203, between Loei town and Phetchabun and it is a good lookout to view the Mekong and the Hueang River valleys.[1] The name of the mountain comes from the fact that it looks like a boat (Thai: เรือ) upside down from certain angles.
The Phu Ruea High Altitude Agricultural Research Station[2] and the Phu Ruea National Park are located in the area around the mountain. The park borders Sainyabuli Province in Laos at its northern end.[3] Most of the mountain is covered in mixed evergreen forest.[4] The area around the mountain is part of the Luang Prabang montane rain forests ecoregion.[5]