Fort Vermilion is a hamlet on the Peace River in northern Alberta, Canada, within Mackenzie County. Established in 1788, Fort Vermilion shares the title of oldest European settlement in Alberta with Fort Chipewyan. Fort Vermilion contains many modern amenities to serve its inhabitants as well as the surrounding rural community. The municipal office of Mackenzie County, Alberta's largest municipality by land area, is located in Fort Vermilion. The hamlet is located in Census Division No. 17.