Doi Ang Khang Doi Ang Khang Doi Ang Khang () is a mountain in Fang District, Chiang Mai Province, Thailand. It is part of the Daen Lao Range that straddles both sides of the Burmese-Thai border. It is the site of an agricultural station, the first research station set up by King Bhumibol Adulyadej in 1969. The peak of Doi Ang Khang is above sea level, and the agricultural station covers an area of 1,989 "rai" (318 ha). The temperature average is 17.7 °C. The highest temperatures range from 35-38 °C in April. The lowest temperature recorded is -3 °C in January. The
Doi Kham be reduced to ashes. Also, the number of people growing opium poppies was increasing. At the king's command, the royal project was created to provide alternative sources of income for hill tribe villages that formerly relied on opium production and swidden agriculture. The meaning of the words "Doi Kham" comes from two northern Thai words. The word "doi" means 'mountain' or 'hill' while the word "kham" is a shortened word for "thongkham" which means 'gold'. The Royal Project Foundation operates four research stations and thirty-five development centres that work with 295 villages containing 14,109 families. Involved are approximately 85,000 rural