The Golden Triangle is the area where the borders of Thailand, Laos, and Myanmar meet at the confluence of the Ruak and Mekong Rivers.
An area of approximately 950,000 square kilometres (367,000 sq mi) that overlaps the mountains of three adjacent countries.
This region was once the hub of opium production, a trade that had much influence on cultural practices and lifestyles.
There are several routes to Chiangrai from Chiang Mai and if you leave Chiang Mai by one route, you can return via another in a loop;
Heading North from Chiangmai on the 107 to Chiangdao,then to fang and on to Thaton, a relaxed atmospheric town on the banks of the Kok River, then on to the Chinese tea growing village of Doi Maesalong to enjoy panoramic views and tea tasting. Onwards to the small city of Chiangrai to stay overnight and absorb the Lanna style culture. Next day heading North on highway 1 to Mae Chen, then right on the 1016 to Chiang Saen and on to Golden Triangle and the Mekong river. Following the Mekong to Chiangkong and South along the Laos boarder, through stunning mountain scenery to Phu Chi Fa and on to the town of Phayao with the largest lake in Northern Thailand.