Doi Inthanon National Park Doi Inthanon National Park Doi Inthanon National Park (), nicknamed "the roof of Thailand", is in the Thanon Thong Chai Range, Chom Thong District, Chiang Mai Province, northern Thailand. It includes Doi Inthanon, the country's highest mountain. Established in 1972, it is in size. The park is approximately from Chiang Mai. It includes Karen and Meo Hmong villages of about 4,500 people. Its elevation ranges between . Within its borders are a number of waterfalls: Mae Klang Falls, Wachiratan Falls, Siriphum Falls, and Mae Ya Falls. The park has varied climatic and ecologically different sections. Flora includes evergreen cloud forest,
Doi Inthanon at Doi Luang, which was then renamed in his honour. Today, the summit of Doi Inthanon is a popular tourist destination for both foreign and Thai tourists, with a peak of 12,000 visitors visiting the summit on New Year's Day. In addition to a range of tourist facilities on the summit, there is also a Royal Thai Air Force weather radar station at the summit and the Thai National Observatory (TNO) at km44. Doi Inthanon is the highest peak of the Inthanon Range () of the Thanon Thong Chai Range, a subrange of the Shan Hills in the Thai highlands