Vi ber om bestillinger kun ved store grupper (10 pers eller mer). Enkeltpersoner eller familier kan komme til faste omvisninger (to ganger hver dag) i den gjeldende perioden. (15 juni - 15 august).
We ask that only groups of ten people or more use this form. Families can drop by the visitor`s center at the schedualed guided tours each day. There are tours two times each day in the period june 15 - august 15.