Geography of Mae Hong Son

Geography

Most of the areas of Mae Hong Son Province are complex mountain ranges and likely still pristine virgin forest. Of the approximately 6,976,650 rai of national forest reserves, 88.02% is thought to be pristine virgin forest. Mountain ranges run unbroken from north to south with important mountain ranges being the Lao-territory mountains located on the northernmost portion of the province that serve as a boundary between Thailand and the Union of Burma and the Thanon Thongchai Mountains which are in fact three adjoining ranges, the East, West and Central Thanon Thongchai mountain ranges respectively; the West Thanon Thongchai Mountains serve as a boundary between Thailand and the Union of Burma. The mountains in the east of the province serves as the boundary between the provinces of Mae Hong Son and Chiang Mai. The tallest point is Mae Ya Peak (ยอดเขาแม่ยะ) of the East Thanon Thongchai Mountains in the Pai District in the province's northeast, at 2005 metres above sea level