Circular hike for nature lovers and hiking enthusiasts to the Tretbachtal near Pittenbach. Hiking distance: approx. 8 km. Hiking guide: Alfred Richards, Tel. 0175 9019352. Time: 2 p.m.. Meeting point: 54608 Bleialf, Am Markt. By car to the Pronsfeld train station hiking car park. Travel costs for passengers: adults €2.00. www.eifelverein-bleialf-schneifel.