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 Swtan

Category: Scientific

Subcategory: Quaternary & Geomorphology

Network: Pre-Quaternary landscape evolution

Subnetwork: Hydrothermal alteration

Local Authority area: Mon

National Park area:

Area of site in hectares: 4.66306807

Grid reference: [SH 30067 89389]

GR easting: 230067.0385

GR northing: 389389.5771

Site geometry: Site boundary