Wood Buffalo National Park, located in northeastern
Alberta and southern Northwest Territories, is the largest national park in at 44,807 km2 (17,300 sq mi). The park was established in 1922 to protect the world's largest herd of free roaming Wood Bison, currently estimated at more than 5,000. It is the only known nesting site of whooping cranes. Canada
The park ranges in elevation from 183 m (600 ft) at the Little Buffalo River to 945 m (3,100 ft) in the
. The park headquarters is located in Caribou Mountains Fort Smith, with a smaller satellite office in . The park contains one of the world's largest fresh water deltas, the Peace-Athabasca Delta, formed by the Peace, Athabasca and Fort Chipewyan, Alberta . It is also known for its karst sinkholes in the north-eastern section of the park. Wood Buffalo is located directly north of the Athabasca Oil Sands. Birch Rivers
This area was designated a UNESCO World Heritage Site in 1983 for the biological diversity of the Peace-Athabasca Delta, one of the world's largest freshwater deltas, as well as the population of wild bison.
In 2007 the world's largest beaver dam (about 850 metres (2,790 ft)) was discovered using satellite imagery within the park.
Year-round access is available to
Fort Smith by road on the Mackenzie Highway, which connects to Highway 5 near . Commercial flights are available to Hay River, Northwest Territories Fort Smith and Fort Chipewyan from . Winter access is also available using winter and ice roads from Edmonton Fort McMurray through . Fort Chipewyan