Wales
Black Rock is a small islet located off the coast of Wales. It has an area of 0.0004 square kilometers.
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Part of the Wales islands map.
Bedrock: Unnamed Igneous Intrusion, Ordovician To Silurian (Felsic-Rock), Ordovician–Silurian. Contains British Geological Survey materials © UKRI 2026, licensed under the BGS Open Data Licence (OGL v3.0). Source: BGS DigMapGB-625 Bedrock & Superficial WMS.
Last reviewed: 2026-08-13.