This site is now open to view or visit.
In line with Welsh Government advice and guidance, we have started to reopen a selection of our unstaffed heritage sites in a safe and controlled way — for the benefit of local communities.
We are pleased to announce that this monument is now open and is free to view or visit with no pre-booking required. Please adhere to our new visitation guidelines, act responsibly and be respectful towards the site and its local area at all times.
Site opening times, parking and other available facilities at our reopened sites may have changed. Please check this site’s webpage carefully for specific updates.
For further information on what to expect and how to stay safe during your visit, please read our FAQs page.
Lonely Neolithic tomb with links to Arthurian legend
This bare and imposing Neolithic (New Stone Age) tomb stands alone in the centre a field on the outskirts of Cardiff. While it was originally covered by an earthen mound around 90ft/27m in length, only traces of this now remain, leaving its huge stones fully exposed to the skies.
The largest is the massive capstone, still supported by three unusually tall uprights. Excavations in 2012 demonstrated that originally the burial chamber was buried within a large cairn of stones 30m long and 12m wide. The chamber itself has never been excavated, so who or what is buried here remains a mystery.
Despite its Neolithic origins, the site’s name may derive from the Arthurian legend of Culhwch and Olwen, which appears in two 14th-century texts.
For further information, please contact: Traveline Cymru on 0871 200 2233 or National Rail Enquiries on 08457 48 49 50