Doi Suthep Doi Suthep Doi Suthep (ดอยสุเทพ), is a mountain ("doi") west of Chiang Mai, Thailand. It is in elevation and is one of the twin peaks of a granite mountain. The other peak is known as Doi Pui and is slightly higher (1,685 m). Doi Suthep is from Chiang Mai city centre. The vegetation below 1,000 m is mostly deciduous forest, with evergreen forest above this elevation. The Doi Suthep - Doi Pui hill is part of the Thanon Thong Chai Range, the southernmost subrange of the Shan Highland system. Other high peaks of the same range are Doi Luang Chiang
Doi Tung to the princess mother's interest and encouragement, the hills were reforested. She was also instrumental in fighting against the opium trade. As a result the local hill tribes stopped growing poppies and began to grow other crops. The royal villa was originally built as a summer residence for the princess mother and now houses a museum and displaying her work to improve the life quality of local tribal people. The Mae Fah Luang Gardens are a botanical park on the slopes below the royal villa. Flowers and plants grow among rock formations. Doi Tung Doi Tung (ดอยตุง) is a mountain