DOI PHA HOM POK, northern most national park in Thailand, and home to the highest campground in the country, hugs a mountainous curve in the Burma border. The Doi Ang Khang area in the south is one access point. Another is via Fang, and another up on the Kok River via Tha Ton.
A little further on from Tha Ton is an Yunnanese settlement town, Mae Sariang, with a colourful cast of characters in its history.