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.

Llanddwyn Island

Site description: Llanddwyn holocene

Category: Scientific

Subcategory: Igneous

Network: Palaeozoic Igneous | Precambrian Igneous

Subnetwork: Volcaniclastics, Pillow lavas, Mafic sills

Local Authority area: Mon

National Park area:

Area of site in hectares: 78.08465458

Grid reference: [SH 38772 62790]

GR easting: 238772.804

GR northing: 362790.8041

Site geometry: Site boundary