Extremely loose but a good spot for climbing: the Frankendorfer Klettergarten near Frankendorf. The climbing area consists of 8 different sections between 12 and 20 meters height. The grading is between III and IX- (5.2 to 5.12b).
In the picture you see the Mittagsverschneidung VI-/5.8
Photo by Heike Pelikan.