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.

Allt-yr-yn

Category:

Subcategory:

Network: Silurian

Subnetwork: Raglan Mudstone Formation

Local Authority area:

National Park area:

Area of site in hectares: 4.45688981

Grid reference: [ST 29064 88602]

GR easting: 329064.0946

GR northing: 188602.124

Site geometry: Site boundary