open on Friday, March 29 until
Monday, April 1, 2013 from 10am - 6pm
Guided tours from April to October, Saturdays, Sundays and holidays, 10am â€“ 6pm
Adults: EUR 5 (EUR 2,50 Reduced)
Access by guided tour only. Tours begin every hour. Last tour at 5 pm.
Special tours for groups with more than 10 persons upon request (Phone: 0331/27178-0, Mo - Fr 9 am - 5 pm link).