Visits are by guided tour only.
1 April to 30 September:
Daily, 10am to 5pm
Last tour 4pm
1 October to 31 March:
Daily, 10am to 4pm
Last tour 3pm
Access to the cairn is via a low and long passageway.
Due to limited capacity, it is strongly recommended to reserve your visit online to guarantee entry and avoid disappointment.