Grasslands National Park is one of Canada's newer national parks, located in southern Saskatchewan, and one of 43 parks and park reserves in Canada's national park system. The system aims to protect representative areas of the country's 39 natural regions. Grasslands National Park represents the Prairie Grasslands natural region, protecting one of the nation's few remaining areas of undisturbed dry mixed-grass/shortgrass prairie grassland.
The park is located in the WWF-defined Northern short grasslands ecoregion, which spans much of Southern Saskatchewan, Southern Alberta, and the northern Great Plains states in the USA. The unique landscape and harsh, semi-arid climate provide niches for several adapted plants and animals.
The park and surrounding area house the country's only black-tailed prairie dog colonies. Rare and endangered fauna found in the park include the pronghorn antelope, sage grouse, burrowing owl, ferruginous hawk, prairie rattlesnake, black-footed ferret and eastern short-horned lizard. Flora includes blue grama grass, needlegrass, Plains Cottonwood and silver sagebrush. Glacial meltwater erosion formed many of the park's characteristic features. Highlights of the park's geological landscape include the Frenchman River Valley, the 70 Mile Butte, the Killdeer Badlands and Rock Creek.