Doi Luang National Park 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. Doi Luang National Park Doi Luang National Park () is one of the biggest national parks in Northern Thailand. It covers the Mae Suai, Phan and Wiang Pa Pao districts of Chiang Rai Province, Wang Nuea and Ngao of Lampang Province as well as Mae Chai and Mueang Phayao of Phayao Province. Doi Luang National Park is located in the northwesternmost mountain chains of the Phi Pan Nam Range and was established in 1990 by combining the
Doi Inthanon at Doi Luang, which was then renamed in his honour. Today, the summit of Doi Inthanon is a popular tourist destination for both foreign and Thai tourists, with a peak of 12,000 visitors visiting the summit on New Year's Day. In addition to a range of tourist facilities on the summit, there is also a Royal Thai Air Force weather radar station at the summit and the Thai National Observatory (TNO) at km44. Doi Inthanon is the highest peak of the Inthanon Range () of the Thanon Thong Chai Range, a subrange of the Shan Hills in the Thai highlands