Mae Hong Son is a town in northwest Thailand, capital of Mae Hong Son Province. It is in the Shan Hills, near the border with Burma along the banks of the River Pai. As of 2005, the town had some 6,023 inhabitants. The town covers the tambon Chong Kham of the Mueang Mae Hong Son district. Mae Hong Son is 883 km north of Bangkok and 251 km northwest of Chiang Mai.