Polar Bear Pass is a 262,400 hectare wetland

Wetland

A wetland is an area of land whose soil is saturated with water either permanently or seasonally. Wetlands are categorised by their characteristic vegetation, which is adapted to these unique soil conditions....

 and mountain pass

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 on Bathurst Island

Bathurst Island

A member of the Canadian Arctic Archipelago, Bathurst Island is one of the Queen Elizabeth Islands in Nunavut Territory, Canada. The area of the island is estimated at , making it the 54th largest island in the world and Canada's 13th largest island. It is uninhabited.The island is low-lying with...

 within Qikiqtaaluk, Nunavut

Nunavut

Nunavut is the largest and newest federal territory of Canada; it was separated officially from the Northwest Territories on April 1, 1999, via the Nunavut Act and the Nunavut Land Claims Agreement Act, though the actual boundaries had been established in 1993...

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. The pass is on federal Crown land

Crown land

In Commonwealth realms, Crown land is an area belonging to the monarch , the equivalent of an entailed estate that passed with the monarchy and could not be alienated from it....

.

Fauna and flora

The wetland exists within a tundra

Tundra

In physical geography, tundra is a biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian тундра from the Kildin Sami word tūndâr "uplands," "treeless mountain tract." There are three types of tundra: Arctic tundra, alpine...

 desert

Desert

A desert is a landscape or region that receives an extremely low amount of precipitation, less than enough to support growth of most plants. Most deserts have an average annual precipitation of less than...

 in the high Arctic

Arctic

The Arctic is a region located at the northern-most part of the Earth. The Arctic consists of the Arctic Ocean and parts of Canada, Russia, Greenland, the United States, Norway, Sweden, Finland, and Iceland. The Arctic region consists of a vast, ice-covered ocean, surrounded by treeless permafrost...

. It is a staging area for migratory birds, as well as a breeding area for numerous bird species. The large insect population is an ample food source for these birds.

Various water features are located throughout the site, including lakes, tundra ponds and meadows. Vegetation consists primarily of "grass

Grass

Grasses, or more technically graminoids, are monocotyledonous, usually herbaceous plants with narrow leaves growing from the base. They include the "true grasses", of the Poaceae family, as well as the sedges and the rushes . The true grasses include cereals, bamboo and the grasses of lawns ...

es, sedge

Cyperaceae

Cyperaceae are a family of monocotyledonous graminoid flowering plants known as sedges, which superficially resemble grasses or rushes. The family is large, with some 5,500 species described in about 109 genera. These species are widely distributed, with the centers of diversity for the group...

s, moss

Moss

Mosses are small, soft plants that are typically 1–10 cm tall, though some species are much larger. They commonly grow close together in clumps or mats in damp or shady locations. They do not have flowers or seeds, and their simple leaves cover the thin wiry stems...

es and lichen

Lichen

Lichens are composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner , usually either a green alga or cyanobacterium...

s", as well as a diversity of flowering plant

Flowering plant

The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

s.

An ecological research station is located on the site. Various studies have been conducted in the area, including those on the endangered Peary Caribou

Peary Caribou

The Peary Caribou is a caribou subspecies found in the high Arctic islands of Canada's Nunavut and Northwest territories. They are the smallest of the North American caribou, with the females weighing an average of 60 kg and the males 110 kg...

 by the Canadian Wildlife Service. Currently, the territorial government is funding studies on muskoxen and caribou in the region.

Its name is derived from the polar bear

Polar Bear

The polar bear is a bear native largely within the Arctic Circle encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. It is the world's largest land carnivore and also the largest bear, together with the omnivorous Kodiak Bear, which is approximately the same size...

s that migrate through the region between March and November each year.

Conservation

Polar Bear Pass is an International Biological Program

International Biological Program

The International Biological Program was an effort between 1964 and 1974 to coordinate large-scale ecological and environmental studies...

 site. It was designated a Ramsar

Ramsar list of wetlands of international importance

This is the list of wetlands of international importance as defined by the Ramsar Convention for the conservation and sustainable utilization of wetlands, recognizing the fundamental ecological functions of wetlands and their economic, cultural, scientific, and recreational value.The Convention...

 site on May 24, 1982. Polar Bear Pass National Wildlife Area

Polar Bear Pass National Wildlife Area

Polar Bear Pass National Wildlife Area is a National Wildlife Area on Bathurst Island within Qikiqtaaluk, Nunavut, Canada. It is on federal Crown land, and is administered by the Canadian Wildlife Service, a division of Environment Canada, with respect to the Canada Wildlife Act's National Wildlife...

received its designation in 1985.