Mwyngloddfa Nantiago is a Site of Special Scientific Interest in Powys, Wales. It is located on the eastern flank of the Plynlimon range of mountains. The spoil tips at the disused mine display examples of mineralisation.https://infrastructure.planninginspectorate.gov.uk/wp-content/ipc/uploads/projects/EN010020/EN010020-001576-WR_19_Natural%20Resources%20Wales%20Appendix%20B3.pdf
See also List of Sites of Special Scientific Interest in Powys
References