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.

Allwyn's Rock

Category: Scientific | Educational

Subcategory: Quaternary & Geomorphology

Network: Glacial/glaciofluvial landforms

Subnetwork: Glacial Erosion

Local Authority area: Mon

National Park area:

Area of site in hectares: 0.23694786

Grid reference: [SH 40850 71511]

GR easting: 240850.014

GR northing: 371511.0723

Site geometry: Site boundary