1. MODERATE (2.25 miles)—Circles upland woods and ravines along the eastern bluff of Laughery Valley, featuring oak, hickory, maple, beech, tulip poplar, black walnut and other native trees. Look for limestone sinkholes along the way. Trail can be accessed from below, from the Old Fire Tower Road or near Oak Grove picnic area. Parents, please watch children at road crossings. 2. MODERATE (2.75 miles)—Makes a figure 8 along the hill of the southern edge of Fallen Timber Creek/ravine. The trail rounds Campground A to near the CCC-constructed Oak Grove shelter, where Trail 1 can be picked up. Encircling Campground A, access can be made near Oak Grove picnic area, behind Trailside shelter, from several points in the campground, and from Fallen Timber bridge at the lake. 3. EASY (1.5 miles)—Begins north of Fallen Timber bridge and goes east along Fallen Timber Creek. Crosses the creek three times before joining Trail 2. Numerous invertebrates inhabit the creek bottom.