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.
Carreg yr Alltwen
Site description: Carreg yr Allwen and Henblas
Category: Scientific | Educational
Subcategory: Stratigraphy
Network: Precambrian
Subnetwork: Gwna Greenschist Quartzite
Local Authority area: Mon
National Park area:
Area of site in hectares: 0.23694786
Grid reference:
GR easting: 240850.014
GR northing: 371511.0723
Site geometry: