Hike the trails with Faith Jones, President Seminole Audubon Society. The Lake Harney Wilderness Area is approximately 300 acres and is located on the St. Johns River on the northwest shore of Lake Harney. This site is home to a historic crossing of the Flagler Railroad, Native American shell middens, several bald eagle’s nests, oak hammocks and mixed hardwood swamps. Free. Open to the public. 407 302-7616.