Wales

Holy Island

Holy Island (Welsh: Ynys Gybi, 'the island of (Saint) Cybi') is an island on the western side of the larger Isle of Anglesey, Wales, from which it is separated by the Cymyran Strait. It is called "Holy" because of the high concentration of standing stones, burial chambers and other religious sites o

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Typesea island
Area34.8296 km²
Population13659
Location53.28557, -4.62508
Highest point220.0 m

Part of the Wales islands map.

Names

Scottish Gaelic: Ynys Gybi; Irish: Ynys Gybi; Welsh: Ynys Gybi

Geology

Bedrock: Unnamed Igneous Intrusion, Ordovician To Silurian (Mafic Igneous-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.

Nearby and related islands

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

Sources

Wikidata · Q1831562 · CC0

Last reviewed: 2026-08-13.