See:
- Nant Tarw stone circles and Fan Foel burial cairn - CPAT historic landscape walks © Clwyd-Powys Archaeological Trust: available at www.cpat.org.uk/walks
- https://www.britainexpress.com/attractions.htm?attraction=401
- https://ancientmonuments.uk/130678-nant-tarw-stone-circles-llywel





