🇮🇪 Ireland · Megalith
Poulnabrone Dolmen
Early Neolithic · Early Neolithic Ireland (Lambay / Burren Neolithic)
Burren's iconic portal dolmen — 3.7 m capstone over 2.5 m chamber holding 33 Neolithic burials in limestone clint landscape.
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200 places in the atlas, 11 of them inscribed as UNESCO World Heritage.
🇮🇪 Ireland · Megalith
Early Neolithic · Early Neolithic Ireland (Lambay / Burren Neolithic)
Burren's iconic portal dolmen — 3.7 m capstone over 2.5 m chamber holding 33 Neolithic burials in limestone clint landscape.
🇮🇪 Ireland · Megalith
Neolithic · Irish Middle Neolithic (Boyne Valley)
Grand passage tomb in the Bend of the Boyne with 85 m diameter cairn, decorated kerbstones and cruciform chamber. Famous for winter solstice sunrise illuminating chamber through roof-box.
🇮🇪 Ireland · Megalith
Middle Neolithic – Bronze Age · Carrowmore passage/boulder tradition (early)
Ireland's largest cemetery — ~30 boulder dolmens around Listoghil passage tomb (3600 BCE), oldest on Cúil Irra peninsula.
🇮🇪 Ireland · Megalith
Neolithic (3300 BCE) · Loughcrew Neolithic
Slieve na Calliagh Cairn L excavated by Conwell 1860s, sun beam at equinox lights chamber art, Hag's Chair kerbstone.
🇮🇪 Ireland · Earthwork
Iron Age, Late La Tene 148 BCE · Late Iron Age La Tene Ireland
147 BCE Iron Age oak plank highway (3.2 m wide, 1.6 km) across Corlea Bog, largest European timber road built in one year.
🇮🇪 Ireland · Archaeological wonder
Late Bronze Age (Roscommon horizon) · Irish dryland-bog community
Late Bronze Age oak plank boardwalk (82 m, 1.4 m wide) across fen–raised bog transition at Monaghan.
🇮🇪 Ireland · Archaeological wonder
Iron Age (La Tène B / Gaelic Ireland) · Gaelic Iron Age Ireland
Eastern continuation (48 m asl, 53°37′N 07°50′W 53.62,-7.84 Cloonbreany 2 Cartron Rd N39 XT18) of the Iron Age Corlea Trackway (148 BC precise dendro of 18-m preserved hall, 148 BC autumn fell) bog…
🇮🇪 Ireland · Megalith
Middle Neolithic (3600-3000 BCE) · Irish Neolithic
Loughcrew Cairn L West Chamber — Southern Extension in County Meath, Ireland is a Middle Neolithic (3600-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Late Neolithic (3200-2900 BCE) · Irish Neolithic
Brú na Bóinne Satellite Cairn Z — Western Terrace in County Meath, Ireland is a Late Neolithic (3200-2900 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Early Neolithic (4000-3000 BCE) · Irish Neolithic
Carrowmore Dolmen Outlier 12 — Southern Extension in County Sligo, Ireland is a Early Neolithic (4000-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Late Neolithic (3500–2600 BCE) · Late Neolithic
Poulnabrone Portal Dolmen Outlier in County Clare, Burren, Ireland is a Late Neolithic (3500–2600 BCE) megalithic attributed to Late Neolithic.
🇮🇪 Ireland · Megalith
Middle Neolithic (3600-3000 BCE) · Irish Neolithic
Loughcrew Cairn L West Chamber in County Meath, Ireland is a Middle Neolithic (3600-3000 BCE) megalithic attributed to Irish Neolithic.
🇮🇪 Ireland · Megalith
Late Neolithic · Boyne / Loughcrew passage tradition
35 m Loughcrew chief tomb with cruciform chamber whose art is illuminated by equinox sunrise.
🇮🇪 Ireland · Megalith
Neolithic · Irish Neolithic
Loughcrew Cairn T Slieve na Calliagh at Meath, Slieve na Calliagh, Ireland is a Neolithic megalithic of the Irish Neolithic tradition, built c. 3300 BCE for 30 m cairn equinox illumination.
🇮🇪 Ireland · Megalith
Late Bronze Age · Cork-Kerry recumbent circle tradition
Recumbent circle (9.3 m, 17 stones) above Glandore with midwinter sunset alignment and hut/fulacht complex.
🇮🇪 Ireland · Rock-cut
Middle Bronze Age (2100–1550 BCE) · Middle Bronze Age
Rock-Cut Tombs of Khirbet in County Kerry, Ireland is a Middle Bronze Age (2100–1550 BCE) rock_cut attributed to Middle Bronze Age culture.
🇮🇪 Ireland · Pyramid
Chalcolithic (4500–3300 BCE) · Chalcolithic
Step Pyramid of Dail Brown in County Kerry, Ireland is a Chalcolithic (4500–3300 BCE) pyramid attributed to Chalcolithic culture.
🇮🇪 Ireland · Megalith
Neolithic (4200–2900 BCE) · Irish Neolithic
Burren's icon excavated by Lynch & Otway 1986–88, radiocarbon 3800–3200 BCE, with 33 individuals and grave goods.
🇮🇪 Ireland · Megalith
Chalcolithic (2500–2000 BCE) · Irish Chalcolithic
Poulnabrone's lesser-known sister wedge tomb on Poulawack plateau in the Burren, a well-preserved wedge-shaped gallery grave with double-walled construction set in limestone pavement.
🇮🇪 Ireland · Megalith
Neolithic · Boyne Valley Neolithic
Largest passage tomb complex in Brú na Bóinne: Great Mound with two passages (east-west) and 18 satellite tombs.
🇮🇪 Ireland · Ancient village
Early Medieval (Early Christian Ireland) · Early Medieval Irish (Uí Briúin)
850-m early medieval alder causeway and 12 x 8 m platform (680–800 CE) — bog-edge iron working.
🇮🇪 Ireland · Ancient village
Late Iron Age (La Tène) · Irish Iron Age (Ulster–Connacht)
1.5-km Iron Age oak plank causeway (120 BCE) — Edercloon's wheeled transport togher.
🇮🇪 Ireland · Megalith
Neolithic (c.3200–2800 BCE) · Boyne Valley Passage Tomb tradition
Meath passage tomb with wide cruciform chamber, timber-roofed instead of cairn, and profuse engraved art including anthropomorphs.
🇮🇪 Ireland · Earthwork
Late Bronze Age to Early Medieval (c.1100 BCE–800 CE) · Atlantic Iron Age / Early Medieval Gaelic
Cliff-edge triple stone fort on Inishmore (6 ha) with massive chevaux-de-frise of jagged limestone — Ireland's most dramatic hillfort.
