St. Mary Reservoir Group Campground is located in Alberta and designed to accommodate group camping parties. This facility provides a dedicated space for organized gatherings, including family reunions, youth groups, and other collective outdoor activities. The reservoir setting offers access to water-based recreation opportunities. As a group-oriented campground, it typically requires advance reservations to secure the site for your party. Group size limits, specific amenities available on-site, and current fee structures can vary, so contacting the campground operator directly before planning your trip is recommended to confirm availability and ensure the facility meets your group's requirements.