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 Tung to the princess mother's interest and encouragement, the hills were reforested. She was also instrumental in fighting against the opium trade. As a result the local hill tribes stopped growing poppies and began to grow other crops. The royal villa was originally built as a summer residence for the princess mother and now houses a museum and displaying her work to improve the life quality of local tribal people. The Mae Fah Luang Gardens are a botanical park on the slopes below the royal villa. Flowers and plants grow among rock formations. Doi Tung Doi Tung (ดอยตุง) is a mountain