St. Mary Reservoir Group Campground Hotels AddressCardston County, Alberta, Canada Websitehttps://www.albertaparks.ca/parks/south/st-mary-reservoir-pra/information-facilities/group-use/st-mary-lower/ AreaCardston County, Alberta, Canada Open on map Directions Back to directory search ☆ ☆ ☆ ☆ ☆ Submit