Visit addresses:
Castle ruins: Grendelplein 13
Fluweelengrot (Velvet Cave): Daalhemerweg 27
Phone: +31-(043)60 90 110
Fax reservations/information +31-(043)60 90 114
Fax marketing/christmas market: +31-(043)60 90 078
Post address:
Grendelplein 13
6301 BS Valkenburg aan de Geul
