Unofficial guide. Not the National Monuments Service, the OPW, Fáilte Ireland or the landowner. Disclaimer
At a glance
- TypeMegalithic tomb - passage tomb
- Recorded sizediameter 62m N-S, 60m E-W; H c. 6m
- StatusNational Monument
What to look for
- Cairn
- Kerb
- Passage
Picked out from the Archaeological Survey description below.
Can you visit?
- No source says it is open to the public.Most monuments in Ireland stand on private farmland.
- Ask the landowner before crossing fields, close gates, leave the stones as you find them.Visiting responsibly
History and description
In level pasture, 750m N of Lough Arrow. This passage tomb is a National Monument (No. 152) in state ownership.
Full archaeological record 83 words
In level pasture, 750m N of Lough Arrow. This passage tomb is a National Monument (No. 152) in state ownership. It is a massive round cairn (diam. 62m N-S, 60m E-W; H c. 6m) retained by a kerb of substantial kerbstones. Twenty-three are exposed from S around to NW and seven more are visible from N around to SE. Considerable quarrying has taken place along the perimeter of the site. (Ó Nualláin 1989, 94). A possible rath (SL034-128----) lies c. 90m to NE.
References
- See linked document with details from Seán Ó Nualláin, Survey of the Megalithic Tombs of Ireland. Volume V. County Sligo. (Dublin: Stationery Office, 1989)
Archaeological Survey of Ireland, National Monuments Service (CC BY 4.0) · Updated 18 January 2008 · Based on the Archaeological Inventory of County Sligo' compiled by Ursula Egan, Elizabeth Byrne, Mary Sleeman with Sheila Ronan and Connie Murphy. It describes the site as it was when surveyed.
More megalithic tombs nearby

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Keshcorran Cairn
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National MonumentCarricknagat Megalithic Tombs
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Carrownagh court tomb
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Also recorded nearby
Named sites within 5 km with only a short entry in the Archaeological Survey.
- TobernagraniaRitual site - holy well · Lahardan · 1.9 km · official record
In a hollow, on a W-facing slope. A spring well enclosed by a concrete covering. There is no evidence of recent veneration at this well.
Visitors' notes
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Around Heapstown Cairn
Other heritage nearby
- Ballindoon FriaryAbbey or friary · 2.1 km
- Tober BrideHoly well · 2.6 km
- Tober MurryHoly well · 2.6 km
- Lady's WellHoly well · 6.2 km
- TobermurryHoly well · 6.9 km
- Caves of KeshCave · 7.8 km
Recorded within 5 km
- 186 ringfortsArchaeological Survey of Ireland
- 23 megalithic tombsArchaeological Survey of Ireland
- 12 holy wellsArchaeological Survey of Ireland
- 5 ancient churchesArchaeological Survey of Ireland
- 4 castlesArchaeological Survey of Ireland
- 2 monastic sitesArchaeological Survey of Ireland
- 1 abbey or friaryArchaeological Survey of Ireland
- 1 high crossArchaeological Survey of Ireland
Walks and trails
- Keash Hill TrailWalking Trail · 1.8 km · nearest point 7.7 km
- Derryvunny - Greenwood TrailWalking Trail · 0.7 km · nearest point 8.9 km
- Derryvunny - Old Woodland TrailWalking Trail · 0.7 km · nearest point 9.0 km
Outdoors, towns and places to stay
- DerryvunnyForests · 9.1 km
- KnockrannyForests · 14 km
- Schoolhouse at AnnaghmoreHistoric stays · 14 km
- Temple HouseHistoric stays · 16 km
Other attractions nearby
- Ballindoon AbbeyAbbeys and Monastery · 2.0 km
- Wilderness IrelandWalking · 2.5 km
- Carrowkeel Megalithic SiteHistoric Houses and Castle · 3.4 km
- Sathya Sai Donkey Sanctuary CLGNature and Wildlife · 4.4 km
What's on nearby
- The Pale Blue Dot2026-11-13 · 14 km
- Vintage Ball Fundraiser Cairde Sligo Arts Festival2026-11-21 · 16 km
- Travelling Banner Exhibition | The Life & Works of WB Yeats2026-11-24 · 11 km · free
Excavations nearby
- 11E380 Ardloy 1, County LongfordRoad-scheme excavation report (TII) · 3.6 km


