Doi Nang Non from where the "sleeping lady" can best be observed. Local tour guides joke that Doi Nang Non would be "the highest mountain in the world", if only the supposed lady would get up and stand on her feet. 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 Suthep 1981 and has an area of that includes the Wat Phrathat Doi Suthep temple as well as Bhubing Rjanives Palace, further up the mountain. Doi Pui, the other peak of the massif, is closeby via a surfaced road as well as through forest paths. Hmong hill tribe people live in the surrounding area. The chief of Doi Suthep-Pui National Park voiced his concerns in 2018 about the increasing amount of garbage produced by the large number of tourists visiting Doi Suthep temple, a must-see site for Chiang Mai tourists. Untreated water and garbage from more than 300 shops and a