The lake is home to a variety of fish species, including trout, bass, catfish, and bluegill. Nearby activities include hiking trails, bird watching, and camping. Fishing tips include using live bait, fishing in shallow waters, and casting near submerged structures. The best time of year to visit is during the spring and fall, with average temperatures ranging from 40-70°F. Visitors can also check out the Barr Lake State Park Visitor Center for more information on the area.