Greenleaf State Park is located near Braggs, Oklahoma, and is situated around the 930-acre (3.8 km2) Greenleaf Lake. Greenleaf Lake was built in the late 1930s. There is an 18-mile (29 km) hiking trail that begins inside the park and weaves its way around Greenleaf lake and into the adjacent government land of Camp Gruber.Greenleaf State Park is one of Oklahoma's original seven parks and one of its most scenic and family-oriented.