Paleogene volcanism

North Atlantic archipelago organized as an autonomous constituent country of the Kingdom of Denmark

rock formation on the Antrim coast of Northern Ireland

archipelago in Outer Hebrides, Scotland, United Kingdom

Iona is an island in the Inner Hebrides, off the Ross of Mull on the western coast of Scotland. It is mainly known for Iona Abbey, though there are other buildings on the island. Iona Abbey was a centre of Gaelic monasticism for three centuries and is today known for its relative tranquility and natural environment. It is a tourist destination and a place for spiritual retreats. Its modern Scottish Gaelic name means "Iona of (Saint) Columba" (formerly anglicised as "Icolmkill").

sea cave in Argyll and Bute, Scotland, UK

Staffa (, , from the Old Norse for stave or pillar island) is an island of the Inner Hebrides in Argyll and Bute, Scotland. The Vikings gave it this name as its columnar basalt reminded them of their houses, which were built of vertical logs.

Rùm (), a Scottish Gaelic name often anglicised to Rum ( ), is one of the Small Isles of the Inner Hebrides, off the west coast of Scotland, in the district of Lochaber. For much of the 20th century the name became Rhum, a spelling invented by the former owner, Sir George Bullough, because he did not relish the idea of having the title "Laird of Rum".

Ulva (; ) is a small island in the Inner Hebrides of Scotland, off the west coast of Mull. It is separated from Mull by a narrow strait, and connected to the neighbouring island of Gometra by a bridge. Much of the island is formed from Cenozoic basalt rocks, which are formed into columns in places.

island in County Antrim, Northern Ireland, UK

Eigg ( ; ) is one of the Small Isles in the Scottish Inner Hebrides. It lies to the south of the island of Skye and to the north of the Ardnamurchan peninsula. Eigg is long from north to south, and east to west. With an area of just over it is the second-largest of the Small Isles after Rùm. The highest eminence on Eigg is An Sgùrr, which is formed from the Sgurr of Eigg Pitchstone Formation, which erupted into a valley of older lavas during the Eocene epoch.

mountain range

island group and Scottish civil parish in Highland, Scotland, UK

The Cuillin () is a range of mostly jagged rocky mountains on the Isle of Skye in Scotland. The main Cuillin ridge is also called the Black Cuillin to distinguish it from the Red Cuillin (''''), which lie to the east of Glen Sligachan.

island group in the Outer Hebrides, Scotland, UK

mountain on Eigg, HIghland, Scotland, UK

Slemish, historically called Slieve Mish (), is a hill in County Antrim, Northern Ireland. It lies a few miles east of Ballymena, in the townland of Carnstroan. Tradition holds that Saint Patrick, enslaved as a youth, was brought to this area and tended sheep herds on Slemish, and that during this time he found God.

mountain on the Isle of Skye in Highland, Scotland, UK

dolerite mountain cliff, Northern Ireland