Wood Buffalo National Park

Lore & Background

The region has been inhabited since the end of the last ice age by Indigenous peoples including the Dane-zaa, Chipewyan, South Slavey, and Woods Cree. European explorers Peter Pond and Alexander Mackenzie passed through in the late 1700s, and fur traders established posts at Fort Chipewyan and Fort Vermilion. UNESCO has expressed concerns about water quality and management, leading to federal funding commitments for an action plan.

Reader's Guide

Wood Buffalo National Park holds global significance as the second-largest national park in the world and the most ecologically complete example of the Great Plains-Boreal grassland ecosystem. Its Peace-Athabasca Delta is one of the world's largest freshwater deltas, supporting diverse wildlife including the only remaining natural whooping crane nesting site. The park's history reflects complex interactions between Indigenous peoples, European explorers, and conservation efforts. The introduction of plains bison led to hybridization and disease, prompting decades of management challenges. Ongoing UNESCO monitoring and federal funding highlight the park's ecological vulnerability and the importance of collaborative stewardship with Indigenous partners. The park also contains karst sinkholes and Alberta's largest springs by volume, Neon Lake Springs.

Did You Know?

• Wood Buffalo National Park is larger than Switzerland.
• It is one of two known nesting sites of whooping cranes.
• The park contains one of the world's largest fresh-water deltas, the Peace-Athabasca Delta.

A Continent-Sized Wilderness

Wood Buffalo National Park sprawls across 44,741 square kilometres of northeastern Alberta and the southern Northwest Territories, making it Canada's largest national park and the second-largest on Earth. To put that scale in perspective, the park is larger than Switzerland. Its terrain shifts dramatically, dropping to 183 metres at the Little Buffalo River before climbing to 945 metres in the Caribou Mountains. At its heart lies the Peace-Athabasca Delta, one of the world's greatest fresh-water deltas, woven together by the confluence of the Peace, Athabasca, and Birch rivers. The park's northeastern section is studded with karst sinkholes, while the Jackfish River drainage hosts Neon Lake Springs—Alberta's highest-volume springs, discharging roughly eight cubic metres of water every second. Administratively, the park is managed from Fort Smith, with a satellite office in Fort Chipewyan. Notably, the park sits directly north of the Athabasca Oil Sands, a juxtaposition that underscores the tension between industrial development and wilderness preservation in this corner of the continent.

The Bison Crisis and the Long Road to Recovery

The park was founded in 1922 with a singular mission: safeguard the world's largest free-roaming wood bison herd. Yet within three years, the government relocated nearly 6,700 plains bison from Buffalo National Park into Wood Buffalo to prevent mass culling elsewhere. The consequences were devastating. The plains bison interbred with the roughly 1,500 to 2,000 native wood bison and introduced bovine tuberculosis and brucellosis into the herd. Between 1951 and 1967, park officials culled 4,000 bison and sold 910 tonnes of meat through a dedicated abattoir at Hay Camp, yet the diseases persisted. In 1990, the government proposed eliminating the entire herd and restocking from Elk Island National Park. Public outcry forced the plan's abandonment. A glimmer of hope came in 1957, when a healthy, relatively pure herd of 200 wood bison was found near Nyarling River. Twenty-three were moved to Elk Island in 1965; today that population numbers around 300 and represents the most genetically pure wood bison remaining. The Wood Buffalo population now stands at an estimated 3,000.

Ancient Rivers, Ancient Peoples

Long before any park boundary was drawn, this land was a living corridor for Indigenous peoples. The region sits at the junction of the Athabasca, Peace, and Slave rivers—canoe routes that connected trade networks for millennia. The Dane-zaa, Chipewyan, South Slavey, and Woods Cree all called this area home, sometimes competing for resources. The Dane-zaa, Chipewyan, and South Slavey speak Northern Athabaskan languages shared with Dene peoples to the north and west, while the Cree, an Algonquian group, are believed to have migrated from the east within recorded history. After a smallpox epidemic following 1781, the Dene and Cree sealed a peace treaty at Peace Point through a ceremonial pipe ceremony. That river became the boundary between the Dane-zaa to the north and the Cree to the south, and the name Peace stuck. European contact came with Peter Pond around 1785 and Alexander Mackenzie in 1788, followed by fur-trading posts at Fort Chipewyan and Fort Vermilion. The Métis emerged as another vital community. In 1899, Treaty 8 was signed, and the park was later established on that Crown land, completely surrounding reserves such as Peace Point and ʔejëre Kʼelnı Kuę́ (Hay Camp).

Stars Above, Heritage Below

In 1983, UNESCO recognized the Peace-Athabasca Delta's biological diversity and the wild bison population by designating the area a World Heritage Site, calling it the most ecologically complete and largest example of the Great Plains-Boreal grassland ecosystem in North America. The park is also one of only two known nesting sites for whooping cranes. Then, on June 28, 2013, the Royal Astronomical Society of Canada named Wood Buffalo the world's largest dark-sky preserve. This designation protects the nighttime ecology that sustains the park's large populations of bats, night hawks, and owls, while also opening the sky to visitors who come to witness the northern lights dancing over one of the planet's most remote landscapes. The park's headquarters in Fort Smith and its satellite office in Fort Chipewyan serve as gateways to a place where the scale of wilderness and the depth of history converge under a sky unbroken by artificial light.