Willmore Wilderness Park, Provincial park in Alberta, Canada

Willmore Wilderness Park is a 4,600-square-kilometre protected area on the eastern slopes of the Canadian Rockies, directly north of Jasper National Park. Its terrain runs from foothills of eroded sandstone and shale to folded limestone front ranges and quartzite main ranges, with U-shaped valleys cut by glaciers. Resthaven Mountain reaches 3,100 metres, and the Smoky, Berland, Wildhay and Muskeg rivers drain northward toward the Mackenzie system.

Alberta's provincial government established this protected area in 1959 to preserve the mountain wilderness for the future. The park was later named in memory of Norman Willmore, a figure important to the region's conservation history.

Iroquois hunters came from the Montreal region in the 1790s to work for fur trading companies; some stayed in the Athabasca Valley after their contracts ended and settled there. Families such as the Wanyandies, Karakunties and Findlays worked as voyageurs and Freemen, guiding others through the mountains. Many descendants still live in the region, and an Indigenous cemetery lies at Big Grave Flats.

The park is open only to visitors traveling without motors, such as hikers, horseback riders, cyclists, and cross-country skiers who use the designated trail system. Those planning a visit should prepare for mountain conditions and remote terrain away from roads or developed facilities.

The park holds one fifth of all bighorn sheep in Alberta, along with mountain goats, grizzlies, woodland caribou, elk, cougars and wolves. Its subalpine woods shelter white-tailed and mule deer, black bears, lynx, wolverine and coyote, while the alpine zone is home to marmots, pikas and ptarmigan.