Volunteers from Upper Cumberland Southern Off-Road Bicycle Association make improvements with a new low-profile skinny on the Bear Waller Gap Mountain Bike Trail May 4, 2024, on the shoreline of Center Hill Lake. The public can go hiking on more than 470 miles of trails at 10 U.S. Army Corps of Engineers lakes in the Cumberland River Basin on National Trails Day June 1, 2024. There are also dedicated biking trails available. (USACE Photo by Ashley Webster)