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
Doi Luang National Park District, should not be confused with Doi Luang, with an altitude of 1,694 m the highest mountain of the Phi Pan Nam Range, that is located about 30 km further south in the same mountain chain. The sources of the Wang and the Lao River are in this mountainous area. The park also has rugged rock formations and scenic waterfalls such as Namtok Pu Kaeng, Namtok Cham Pa Thong and Namtok Wang Kaew. Trees in the protected area include "Mesua ferrea", "Hopea odorata", "Toona ciliata", "Lagerstroemia tomentosa" and "Irvingia malayana". Animals in the park area include the Asian black bear,