Waterton Lakes National Park is a national park located in the southwest corner of Alberta, Canada. It borders Glacier National Park in Montana, United States. Waterton was the fourth Canadian national park, formed in 1895 and named after Waterton Lake, in turn after the Victorian naturalist and conservationist Charles Waterton. Its range is between the Rocky Mountains and prairies. This park contains 505 km2 of rugged mountains and wilderness.