Doi Pha Hom Pok National Park Doi Pha Hom Pok National Park Doi Pha Hom Pok National Park (), formerly known as Mae Fang National Park and Doi Fa Hom Pok National Park, is the northernmost national park in Thailand. It straddles Fang, Mae Ai, and Chai Prakan Districts of Chiang Mai Province. The park covers 524 km of the mountain area of the Daen Lao Range, at the border with Myanmar. The tallest peak is Doi Pha Hom Pok at , the second highest in Thailand. Doi Pha Hom Pok National Park is mostly covered with forest, where tree species such as "Hopea odorata" predominate
Highest unclimbed mountain Highest unclimbed mountain An unclimbed mountain is a mountain peak that has yet to be climbed to the top. Determining which unclimbed peak is highest is often a matter of controversy. In some parts of the world, surveying and mapping are still unreliable, and there are no comprehensive records of the routes of explorers, mountaineers and local inhabitants. In some cases, even modern ascents by larger parties have been poorly documented and, with no universally recognized listing, the best that can be achieved in determining the world's highest unclimbed peaks is somewhat speculative. Most sources indicate that Gangkhar Puensum ()