Doi Inthanon National Park (Thai: อุทยานแห่งชาติดอยอินทนนท์),[1] nicknamed "the roof of Thailand", is located in the Thanon Thong Chai Range, Mae Chaem District, Chiang Mai Province, northern Thailand.[2] It includes Doi Inthanon, the country's highest mountain. Established in 1972, is 482 square kilometres (186 sq mi) in size.[3]