Regionaler Naturpark Schaffhausen - The Kesslerloch cave (tinker's hole) is one of the most significant sites of the later ice age in Europe and supplied settlement traces from the Upper Palaeolithic Period ( Magdalenian culture 14000 -12000 B.C.).
Via Rheinfall and Jestetten (D) over the wooded Rossberg into sunny Klettgau. Continue on the Panorama Road until Schleitheim. Climb up to the Siblinger Randenhaus with a magnificent view of the Alps.