Langtang National Park
Langtang National Park was established in 1976 as Nepal's first Himalayan national park and the country's fourth protected area. It exceeds an elevation range of and covers an area of in the Nuwakot, Rasuwa and Sindhulpalchok Districts of the central Himalayan region encompassing 26 village communities. In the north and east it is linked with Qomolangma National Nature Preserve in Tibet Autonomous Region. The eastern and western boundaries follow the Bhote Koshi and the Trishuli river, respectively. The southern border lies north of the Kathmandu Valley. The Gosainkunda lake is located at an elevation of  inside the park. The Dorje Lakpa range at bisects the park from west–east to south–east. The summit of Langtang Lirung () is the highest point in the park. Langtang National Park is part of the Sacred Himalayan Landscape. History. In 1970, royal approval designated the establishment of Langtang National Park as the first protected area in the Himalayas. The national park was gazetted in 1976 and extended by a buffer zone of in 1998. Under the "Buffer Zone Management Guidelines" the conservation of forests, wildlife and cultural resources received top priority, followed by conservation of other natural resources and  development of alternative energy. On 31 July 1992, Thai Airways International Flight 311 crashed into the park. The Airbus A310 was on approach to Tribhuvan International Airport in Kathmandu. All 113 people on board were killed. Climate. The climate of the park is dominated by the southwest summer monsoon. Temperatures vary greatly due to the extreme difference in altitude in the entire area. Most of the annual precipitation occurs from June to September. From October to November and from April to May, days are warm and sunny, and nights cool. In spring, rain at elevation often turns to snow at  higher elevations. In winter from December to March, days are clear and mild but nights near freezing. Flora and Fauna. Langtang National Park exhibits a high diversity of 14 vegetation types in 18 ecosystem types, ranging from upper tropical forests below m altitude to alpine scrub and perennial ice.