The Arran Geopark aims to promote and conserve Arran’s spectacular and globally important geology. Access to important geological sites has been improved; information on the geology of the island is available at three interpretation centres and on six self-guided walks. Download the walk leaflets in PDF format below.
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North Arran Granite |  |
Sheets/sills |
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Central Complex |  |
Highland Border Complex |
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New Red Sandstone |  |
Old Red Sandstone |
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Carboniferous Rocks |  |
Dalradian Schists |
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Roads |  |
Information Centre |
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Self-guided walks |
1. Hutton’s Unconformity Walk
See the outcrop where the ‘father of modern geology’ changed the way we view our planet for ever.
Lochranza Intepretation Centre
COVID UPDATE: CLOSED (access may be available by appointment, please get in touch). Learn about Arran’s spectacular and diverse geology, and how it influenced scientific thinking and the island’s industrial heritage.
4. Glen Rosa Walk
Discover how the erosive power of ice sculpted Arran’s dramatic granite mountains.
5. King’s Cave and Drumadoon Walk
Enjoy spectacular views of the Drumadoon Sill’s sheer cliffs, and find evidence of Arran’s mysterious ‘hand-beast’.
2. North Arran Walk
Revisit Arran’s industrial past, and follow in the footsteps of the largest invertebrate to ever walk on land!
3. Corrie Shoreline Walk
Follow Arran’s journey through 100 million years of geological time, from tropical seas to stormy deserts.
Brodick Castle Ranger Centre
COVID UPDATE: CLOSED. Find out how the island’s geology relates to its landscape, vital habitats and unique wildlife.
Arran Heritage Museum
OPEN every day 1030 to 1630 (last entry 1600). View an extensive collection of geological specimens from all over Arran, as well as learning about the island’s history and heritage.
6. Kildonan Shore Walk
Explore the evidence for continents breaking apart, and the remains of Arran’s magmatic past.
|
North Arran Granite | |
Sheets/sills |
|
Central Complex | |
Highland Border Complex |
|
New Red Sandstone | |
Old Red Sandstone |
|
Carboniferous Rocks | |
Dalradian Schists |
|
Roads | |
Information Centre |
|
Self-guided walks |