Heapstown Cairn
Popularity
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About this place
Heapstown Cairn (Irish: Carn Ochtriallach) is a large ancient cairn and protected National Monument in County Sligo, Ireland. It was built in the Neolithic, around 3000 BC, and is believed to cover a passage tomb. The cairn is one of the largest in Ireland and is near Carrowkeel Megalithic Cemetery.
Summary from
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Updated 2026-11-14
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Visitor Information
- Heritage status
- Protected Heritage Site
Getting There & Parking
Heapstown Cairn is located in County Sligo, roughly 132 km (1h 55m drive) from Galway and 205 km (3h) from Dublin. Nearby highlights within a short drive include Castle Baldwin (2.3 km away).
Galway132 km
~1h 55m driveDublin205 km
~3h driveVideos
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Search on YouTube →Nearby places
Castle Baldwin
2.3 km
Castle Sligo
Castle Baldwin
Megalith Sligo
Giant's Grave
Archaeological Site Sligo
Carrowkeel neolithic site
Cairn O
4.7 km
Giant's Grave
4.7 km
Archaeological Site Sligo
Giant's Grave
More in County Sligo
More Megalith in Ireland
See all → Megalith Limerick
Grange Stone Circle
Megalith Dublin
Aideen's Dolmen
Megalith Down
Legananny Dolmen
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