St. Mary Lower Campground is in St. Mary Reservoir Provincial Recreation Area, 55 km southwest of Lethbridge on Hwy. 5 and 5 km northwest on Hwy. 505. Camp on the reservoir with beautiful views of the southern Rockies. Sites here are suited to RVs and tents, have power and are shaded by trees. Some sites back right onto the water. Go sailing, wind surfing, water skiing, canoeing and fishing, or take a short hike on the interpretive loop trail.