🇮🇪 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.
🇮🇪 Ireland · Megalith
Newgrange
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
Carrowmore — Listoghil Central Tomb
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 · Ancient village
Derryoghil & Tin Tab Bog Trackways (Derryoghil–Derragh Bog, Co. Longford)
Neolithic to Early Bronze Age (2750–2280 BCE) · Irish Neolithic–Early Bronze (Beaker transition, 2500 BCE)
700-m stacked bog road (2750 BCE brush under 2280 BCE oak plank) — only Neolithic→Bronze stacked reuse in Ireland.
🇮🇪 Ireland · Megalith
Knowth
Neolithic · Boyne Valley Neolithic
Largest passage tomb complex in Brú na Bóinne: Great Mound with two passages (east-west) and 18 satellite tombs.
🇮🇪 Ireland · Earthwork
Hill of Tara
Neolithic to Early Medieval (c.3400 BCE–1200 CE) · Neolithic → Iron Age La Tène → Early Medieval Gaelic
Ireland's paramount ceremonial landscape (142 ha) — Neolithic tomb, Lia Fáil kingship stone and Iron Age royal enclosure complex.
🇮🇪 Ireland · Megalith
Fourknocks Passage Tomb
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 · Megalith
Knockroe Passage Tomb
Neolithic (c.3200–2800 BCE) · Boyne Valley Passage Tomb tradition
Kilkenny dual-passage tomb with lavish megalithic art, aligned to both midwinter sunrise and sunset.
🇮🇪 Ireland · Megalith
Creevykeel Court Tomb
Early Neolithic · Court Tomb tradition (Western Neolithic Ireland)
55.5 m court tomb on Sligo coast — 13×10 m oval court to twin gallery, best preserved in northwest.
🇮🇪 Ireland · Megalith
Kilclooney Portal Tombs
Middle Neolithic · Irish Portal Tomb tradition
Two portal tombs and court tomb at Kilclooney More, Ardara, capstone 30 tons, c.3500 BCE.
🇮🇪 Ireland · Megalith
Hill of Uisneach
Neolithic to Early Modern (c.4000 BCE–1600 CE) · Neolithic → Bronze Age → Iron Age → Early Medieval Gaelic
Mythic omphalos of Ireland — 182 m ceremonial hill with Lough Lugh summit lake, barrows and Bealtaine fire site.
🇮🇪 Ireland · Megalith
Lough Gur Stone Circle (Grange)
Late Neolithic – Early Bronze Age (c.2500–2000 BCE) · Late Neolithic / Chalcolithic Limerick
Ireland's largest stone circle (46 m, 113 stones) — embanked, contiguous orthostats on Lough Gur shore.
🇮🇪 Ireland · Megalith
Dowth
Neolithic · Boyne Valley Neolithic
Westernmost of three great Brú na Bóinne tombs, 85 m diameter, two passages and souterrain. Less restored, preserving original form. Associated winter sunset alignment.
🇮🇪 Ireland · Rock art
Red Town Petroglyph Field
Neolithic (6000–3000 BCE) · Neolithic
Red Town Petroglyph Field in County Kerry, Ireland is a Neolithic (6000–3000 BCE) rock art attributed to Neolithic culture.