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,
Highest unclimbed mountain peaks from subpeaks, there is no widely agreed standard. In 1994, the International Climbing and Mountaineering Federation (UIAA) classified 82 mountain peaks in the Alps whose summits were at least above sea level and with at least of topographic prominence over any adjacent mountain pass or col, as a distinct peak. It can be difficult sometimes to determine whether or not a mountain peak has been fully summited. Long before modern mountaineering commenced in the middle of the 19th century, evidence indicates that people did indeed travel up to the summits or near to the summits of major mountain peaks.