page_title: Mae Hong Son Province
section_title: Location
hierarchical_section_title: Mae Hong Son Province / Geography / Location
caption_attribution_description: English: The Salawin river (a.k.a. the Nujiang river in China) at the border village of Mae Sam Laep. Myanmar is on the left bank
context_page_description: Mae Hong Son Province, also spelled Maehongson, Mae Hong Sorn or Maehongsorn, is one of Thailand's seventy-six provinces lies in upper northern Thailand and is the westernmost province. Neighboring provinces are Shan State of Myanmar, Chiang Mai and Tak. To the west, the province borders Kayin State and Kayah State of Myanmar.
  Mae Hong Son's nickname is "the city of three mists". It is hemmed in by the high mountain ranges of the Shan Hills and is the most mountainous province in Thailand, occupying 12,681 square kilometres. The province is often covered with mist. Mae Hong Son town was originally established in the early 19th century as an elephant training camp as ordered by the then King of Chiang Mai.
  As of 2012 Mae Hong Son was the poorest province in Thailand.
context_section_description: Mae Hong Son Province is approximately 924 kilometres (574 mi) north of Bangkok by road. To the north and west it connects to a total of three states in the Union of Burma, namely the southern portion of Shan State, Kayah State, and Kawthoolei State, via the Dawna Range, and the Salween and Moei Rivers. These formations serve as natural boundaries between the countries. To the south, it borders the district of Tha Song Yang and Tak, via the rivers Yuam and Ngao, which serve as a provincial boundary. To the east it borders the districts of Wiang Haeng, Chiang Dao, Mae Taeng, Mae Chaem, Hot and Omkoi in Chiang Mai Province, via the central and east sections of the Thanon Thongchai mountain ranges, which serve as a boundary between the two provinces.
  Every district in Mae Hong Son Province shares a common border, measuring approximately 483 kilometres in total length, with Myanmar. The common border consists of approximately 326 km (203 mi) of land boundary and 157 km (98 mi) of river boundary (not counting the Salween, 127 km (79 mi), and Moei, 30 km (19 mi)).
caption: Salween River at Mae Sam Laep, Sop Moei District. Left is Myanmar.
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