9 am - 6 pm every day, except the dates published on this page.
Guided tours: Wednesdays at 10 am, 12 am, and 2 pm. (approx. 45 mins.)
You may pre-book a guided tour for your group of maximum 30 people.
Fees for pre-booked guided tours:
NOK 1000 from 9 am - 3 pm.
NOK 1500 after 3 pm and on weekends.
Booking request at: