Doi Ian Doi Ian Doi Ian () is a mountain in Thailand, part of the Phi Pan Nam Range, at the southeastern end of Chiang Rai Province limit near the point where the limit of this province meets with the northern end of Phayao Province, nine km from the border with Laos. This mountain rises in Ngao Subdistrict, Thoeng District. Its summit is 12 km east of Thoeng, near Ngao east of the road going from it to Wiang Kaen town. With a height of 1,174 metres Doi Ian is a conspicuous mountain in the surrounding landscape that can be seen from
Doi Tung of various tribes including Akha, Lahu, Tai Lue, and Lawa. Wat Phra That Doi Tung is on top of the hill. According to the chronicles, this Buddhist place of worship dates back to the year 911. It is an important pilgrimage spot for the devout. Coffee plantations cover an area of 15 km. There are 3.5 million coffee trees on Doi Tung. Almost half of Doi Tung's population is in coffee farming, providing a stable source of income for nearly 900 families. Doi Tung Royal Villa, former residence of the princess mother Srinagarindra, is high up on the hill. Thanks