Natural Resources Wales. Data downloaded from DataMapWales and used under the Open Government Licence for Public Sector Information (OGL). This information is provided to highlight sites of geological interest in Wales. For issues relating to sites that have RIGS status please consult the relevant authorities for up to date information regarding designation status, planning and other administrative issues.

Porth Trefadog

Site description: Porth Trefadog

Category: Scientific

Subcategory: Stratigraphy

Network: Precambrian

Subnetwork: Spilite Reference Site

Local Authority area: Mon

National Park area:

Area of site in hectares: 9.05544839

Grid reference: [SH 28958 85835]

GR easting: 228958.9134

GR northing: 385835.3842

Site geometry: Site boundary