Banff National Park is Canada's oldest national park, established in 1885. It is located in the Rocky Mountains on Alberta's western border with British Columbia in the Alberta Mountain forests ecoregion. Banff National Park is the most visited Alberta tourist destination and one of the most visited national parks in North America. In 1984, Banff was declared a UNESCO World Heritage Site, together with the other national and provincial parks that form the Canadian Rocky Mountain Parks.