North Bear Alvar


Tree Swallow

Located just north of the Nature Conservancy of Canada’s Prairie Smoke Nature Reserve, North Bear Alvar potentially provides habitat for species at risk including milksnake and common nighthawk. Endangered butternut trees have been found on the property, and more plant and animal species will be confirmed this summer when a biological inventory is completed.

At 787 acres in size, North Bear Alvar supports several different types of globally rare alvar habitat. Alvars are naturally open habitats with thin to no soil over a base of limestone or dolostone. They may have large areas of exposed bedrock, or may support sparse shrubs and trees. Alvars are a hotspot for specialized plants and insects that are adapted to harsh conditions such as drought and flooding.