The country is a high mountain ภมิ complex and forest land natural abundance. There are mountains according to the North - South Mountain matters is Pico BOL í VaR is on the north of the province. As a break with the country borders the Republic of the union of Myanmar and the mountain road Thongchai contain mountains along the parallel 3 sort is a mountain road to west. A boundary line) and Republic of the union of Myanmar. Mountain road to middle river yuam River are between and clear. And the mountain road to East. As the demarcation between Jung หวัก Mae Hong son to Chiang Mai. It also is home to the highest peak is a peak period of mother in Pai district area The height above sea level, about 2 005 meters.