Bumdeling Wildlife Sanctuary :

Bumdeling Wildlife Sanctuary is located in north-western part of Bhutan covering an area of 1,545 sq. km with 420 sq. km of buffer zone encompassing parts of Trashiyangtse, Lhuntshe, and Mongar district. It shares international borders with the Tibetan region of China in the north and India in the north east. The sanctuary is home to around 100 species of mammals, including globally endangered species such as snow leopard, Royal Bengal tiger and red panda. 

About 150 black necked cranes spend their winter in Bumdeling every year from mid-November to early March. Bumdeling Wildlife Sanctuary is also a paradise for butterflies: as of now 130 species have been recorded and another 120 are expected to inhabit this area. Besides natural beauty and diversity many significant religious and cultural places can be found inside the sanctuary, such as Rigsum Gompa, the mystic Singye Dzong and Dechenphodrang Lhaghang– maybe the most scenic monastery in the country.