Established in 1975 as Thailand's tenth national park, it is an IUCN Category V protected area measuring 159,556 rai ~ 255 square kilometres (98 sq mi).

[2] Human encroachment has disturbed the forests of Doi Khun Tan and they have changed dramatically in the past century.

Doi Khun Tan offers year-round viewing of wild-flowers such as orchids and gingers.

[3] The effects of hunting, logging, frequent fires, and human encroachment have greatly reduced their numbers.

In the past, gibbons, tiger, elephants, bears, wild cattle, serow, slow loris, barking deer and many other species were also residents of Doi Khun Tan.