Wales

Carreg yr Halen

Uninhabited

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Typesea island
Area0.0017 km²
Location53.22118, -4.16863

Part of the Wales islands map.

Names

Welsh: Carreg yr Halen

Geology

Bedrock: Upper Cambrian, Including Tremadoc (Metasedimentary Rock), Late Cambrian–Tremadoc. Contains British Geological Survey materials © UKRI 2026, licensed under the BGS Open Data Licence (OGL v3.0). Source: BGS DigMapGB-625 Bedrock & Superficial WMS.

Nearby and related islands

Anglesey (Ynys Môn)
Bardsey Island
Caldey Island
Holy Island
Salt Island
Skokholm
Skomer
Barry Island

Sources

Wikidata · Q56302780 · CC0

Last reviewed: 2026-08-13.