Southwest of Frankfurt and east of Saarbrucken, the Rodalben area has an excellent looping trail network for hikes of up to 20 miles. To reach the trailhead, follow A62 towards Pirmasens and exit at Rodalben. Once in Rodalben, use the parking area on the right just past the gas station. Hike back on the road for a couple hundred meters and look for the trail on the right heading up.
Overall, Rodalben is the 7th most popular hiking trail of all 11 hikes in Germany.