National Astronomical Research Institute of Thailand Thai National Observatory (TNO) is NARIT's main facility, atop Thailand's highest mountain, Doi Inthanon in Doi Inthanon National Park, Chom Thong District, Chiang Mai Province. The concept of a national astronomical research institute was discussed for the first time in the Assembly of the Deans of the Faculty of Science in Thai universities. On July 20, 2004, commemorating His Majesty King Bhumibol's 80th Birthday Anniversary in 2007 and marking the bicentenary of the life and work of King Mongkut the "Father of Thai Science" the government approved the establishment of the National Astronomical Research Institute of Thailand (NARIT), under the
Highest unclimbed mountain in Bhutan or on the Bhutan-China border is the tallest mountain in the world that has yet to be fully summited. Gangkhar Puensum has been off limits to climbers since 1994 when Bhutan prohibited all mountaineering above due to spiritual/religious beliefs. Unclimbed mountains are sometimes referred to as "virgin peaks". Many virgin peaks exist because the mountain is unreachable, due to either geographic isolation or political instability. Some mountains remain off limits due to religious beliefs of a country or region that hold such mountains are sacred and should remain inviolate. Additionally, since the endeavor to scale taller mountains of