The Phibsoo Wildlife Sanctuary is the second-smallest national park

National park

A national park is a reserve of natural, semi-natural, or developed land that a sovereign state declares or owns. Although individual nations designate their own national parks differently A national park is a reserve of natural, semi-natural, or developed land that a sovereign state declares or...

 in Bhutan

Bhutan

Bhutan , officially the Kingdom of Bhutan, is a landlocked state in South Asia, located at the eastern end of the Himalayas and bordered to the south, east and west by the Republic of India and to the north by the People's Republic of China...

, covering 268.93 square kilometres (103.8 sq mi) in western Sarpang District

Sarpang District

Sarpang District is one of the 20 dzongkhags comprising Bhutan.-Languages:...

 and southeastern Dagana District

Dagana District

Dagana District is one of the 20 dzongkhag comprising Bhutan...

 along the border with West Bengal

West Bengal

West Bengal is a state in the eastern region of India and is the nation's fourth-most populous. It is also the seventh-most populous sub-national entity in the world, with over 91 million inhabitants. A major agricultural producer, West Bengal is the sixth-largest contributor to India's GDP...

. It is connected to Jigme Singye Wangchuck National Park

Jigme Singye Wangchuck National Park

Jigme Singye Wangchuck National Park covers an area of in central Bhutan. The Park occupies most of Trongsa District, as well as parts of Sarpang, Tsirang, Wangdue Phodrang, and Zhemgang Districts. Jigme Singye abuts Royal Manas National Park to the southeast...

 and Royal Manas National Park

Royal Manas National Park

Royal Manas National Park is Bhutan's oldest national park, and the Royal government considers it the "conservation showpiece of the Kingdom" and a "genetic depository" for valuable plants. It has an area of and covers eastern Sarpang District, the western half of Zhemgang District, and western...

 via a "biological corridor" that crosses a national highway. Its elevations range from 200 metres (656.2 ft) to 1600 metres (5,249.3 ft).

Flora and fauna

Phibsoo is unique in Bhutan for its chital

Chital

The chital or cheetal , also known as chital deer, spotted deer or axis deer is a deer which commonly inhabits wooded regions of Sri Lanka, Nepal, Bangladesh, Bhutan, India, and in small numbers in Pakistan...

 (Axis axis, "spotted deer") and natural sal (Shorea robusta) forests. Like Royal Manas National Park, Phibsoo is inhabited by elephant

Elephant

Elephants are large land mammals in two extant genera of the family Elephantidae: Elephas and Loxodonta, with the third genus Mammuthus extinct...

s, bengal tiger

Bengal Tiger

The Bengal tiger is a tiger subspecies native to the Indian subcontinent that in 2010 has been classified as endangered by IUCN...

s, gaur

Gaur

The gaur , also called Indian bison, is a large bovine native to South Asia and Southeast Asia. The species is listed as vulnerable on the IUCN Red List since 1986 as the population decline in parts of the species' range is likely to be well over 70% over the last three generations...

, three species of mahseer

Mahseer

Mahseer is the common name used for the genera Tor, Neolissochilus, and Naziritor in the family Cyprinidae . The name Mahseer is however more often restricted to members of the genus Tor...

, and possibly the rare Ganges River dolphin. Phibsoo, however, has no human residents.