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 km2 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 with rare plant species such as Impatiens jurpioides and butterflies such as Teinopalpus imperialis and Meandrusa lachinus. Doi Lang, located within the park, is an excellent area for birdwatching. There are many hot mineral springs near the park headquarters in an area of 10 rai. Water temperature ranges from 90-130 °C. The largest pond has hot steam rising 40–50 meters above the ground.