Mae Hong Son is arguably Thailand's remotest province. Thickly forested and mountainous, and far from the influence of sea winds, the temperature seldom rises above 40°C, while in January the temperature can drop to 2°C. The air is often misty with ground fog in the winter and smoke from slash-and-burn agriculture during the hot season. Mae Hong Son's location along the border with Myanmar means that it is also a crossroads for ethnic minorities (mostly Karen, with some Hmong, Lisu and Lahu), Shan and Burmese immigrants.
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