Roll out of Mühlethurnen and let the ride unfold: past Schloss Toffen, on into the Naturpark Gantrisch, then by Campagne Oberried and Neues Schloss Belp. The Aare joins the route before Schloss Hünigen, and the Zulg carries you back toward home. A 75.3 km loop with 909 m of climbing, entirely on paved surface. Castles, a nature reserve and two rivers — all in one circuit from start to finish.