Thanon Thong Chai Range of national parks and wildlife sanctuaries are located in the range. Thanon Thong Chai Range The Thanon Thong Chai Range (, , formerly Thanon Range; Burmese "Tanen Taunggyi") is a mountain range in northern Thailand. Its tallest peak is Doi Inthanon, the highest point in Thailand. Most of the range is located in Chiang Mai Province, with parts in Mae Hong Son and Lamphun Provinces. Geologically in the Thanon Thong Chai Range, as in the other southern subranges of the Shan Hills, layers of alluvium are superimposed on hard rock. Precambrian rocks are present in this range, but absent in
Ansonia inthanon Ansonia inthanon Ansonia inthanon is a species of toad in the family Bufonidae. A small stream toad, measuring only 22-26mm in length. Its natural habitat is near torrents in subtropical forest on sloping land. It is threatened by habitat loss for agriculture, use by medical research (although this is not a significant threat) and by the introduced American bullfrog. Though it is only known from Doi Inthanon National Park and Thongphaphum in Kanchanaburi Province, it is not rare in suitable habitat. The species was recently discovered in a third locality, Doi Suthep National Park in Chiang Mai Province, and may