Doi Luang District Doi Luang District Doi Luang (, ) is a district ("amphoe") in the northern part of Chiang Rai Province, northern Thailand. The area of Doi Luang was separated from Mae Chan District and established as a minor district ("king amphoe") on 15 July 1996. On 15 May 2007, all 81 minor districts were upgraded to full districts. With publication in the "Royal Gazette" on 24 August, the upgrade became official. Neighboring districts are (from the north clockwise) Chiang Saen, Chiang Khong, Wiang Chiang Rung, and Mae Chan. The district is divided into three sub-districts ("tambon"), which are further subdivided into
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