Doi Nang Non Doi Nang Non Doi Nang Non (, ; 'Mountain of the Sleeping Lady') is a mountain range in the Thai highlands in Chiang Rai Province, Thailand. It is a karstic formation with numerous waterfalls and caves rising at the southern end of the Daen Lao Range. Part of its area is managed as the Tham Luang–Khun Nam Nang Non Forest Park (). Doi Nang Non consists of a long hill tract that lies on the west side of the highway between Chiang Rai and Mae Sai. The greater part of the range is in Mae Sai District, extending west and
Inthawichayanon a grandson of "Prince Khamfan", the 3rd ruler of Chiangmai. He was concerned about the preservation of the mountain forests in the Thai highlands. Before he died he ordered that his remains be kept at Doi Luang, the highest mountain of the Thanon Thong Chai Range, which was renamed Doi Inthanon after his death. In 1883, a rumour that Queen Victoria of Great Britain intended to adopt his daughter, Dara Rasmi, spread from Burma to Chiangmai and Bangkok, alarmed Siamese government of British desire in Lanna. The Siamese King sent his brother, Prince Prince Bijitprijakara, to Chiangmai to forward the