: at home, Lan Sang, Tambon Mae Tho, away from the Tak Province, about 20 kilometer area 65,000 farm and has been declared a National Park on May 14, 2522. hilly terrain complexity,. Touch many areas. With many streams flowing through lines such as creek Sang Lan, Huai Tha Valley, Khlong Huai Sai, Huay Um permit forest in the park. Both rainforest, pine forest, montane rain forest, dry dipterocarp forest and mixed forest alternates between the topography. Wildlife, including wild pig found, deer, turtles Pooeoo, chamois, musk and a stone courtyard footprints horse in it.