The "Gelber Felsen" Rock is located on the west side of the Teck. There are 3 rock. From the valley you can see the highs rock (Hauptfelsen). The access is via the car park Bölle. A steep, small trails leads up to the castle. 100m below the crest, a small foot path leaves the trail and crosses the slope
The upper side rock offers short routes between 3 + and 7 and is very busy.
The lower side is a strong overhanging rock, the easiest route is a 7 -.
The main rock offers alpine climbing-inspired, there are some bolts in the# routes, a set of wires, slings, friends and a climbing helmet is necessary.