Doi Luang National Park, with an area of 730,927 rai ~ 1,169 square kilometres (451 sq mi)[2] is located in the northwesternmost mountain chains of the Phi Pan Nam Range and was established in 1990 by combining the area of four existing parks.

[3] 1,426 m high Doi Luang, a mountain located towards the northern end of the park in Mae Chai 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.

[4] 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, sun bear, muntjac, the Indochinese leopard, bamboo rat, tree shrews; among the birds the blue-winged siva and the red-billed blue magpie deserve mention.