Roll out from Parkeerplaats Nonnenbach Nottulner Berg and let the ride unfold: first the Berkelquelle nature reserve, then past Kolvenburg castle, before the Sieben Quellen – Talaue Hohnerbach nature reserve. The Berkelaue nature reserve follows, and the Heidesee nature reserve rounds out the loop before you head back to where you started. It's 58.8 km with 380 m of climbing, and the surface splits into 51% paved and 48% unpaved.
