Doi Phu Kha National Park park is named after "Chompoo Phu Kha" ( "Bretschneidera sinensis"), a tree with attractive pink flower bunches, which together with "Caryota gigas" and "Acer wilsonii", are rare species of plant which in Thailand can be found only in this park. There are natural rock formations on 1,837 m high Doi Phu Wae peak. The ascent takes 3 days and 2 nights. The scenery of the sea of mist and the mountain range is the reward for the trekkers who can reach Phu Wae peak. The park was established on June 17, 1999. Doi Phu Kha National Park is part of
Highest unclimbed mountain any locale closer than India. The prohibition was further expanded in 2003 when mountaineering of any kind was disallowed entirely within Bhutan. Gangkhar Puensum will likely remain unclimbed so long as the government of Bhutan prohibits it. It is unclear which is the highest unclimbed non-prohibited mountain. While some recognize only peaks with of topographical prominence as individual summits, the International Climbing and Mountaineering Federation uses a as the cutoff for determining individual summits. Based on the International Climbing and Mountaineering Federation's criteria, Muchu Chhish ( with a prominence of ) in Pakistan is currently the world's tallest that has