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533 places in the atlas, 30 of them inscribed as UNESCO World Heritage.
🇬🇧 United Kingdom · Megalith
Early Neolithic · Cotswold-Severn
Stoney Littleton Long Barrow at Somerset, United Kingdom is a Early Neolithic megalithic of the Cotswold-Severn tradition, built c. 3750 BCE for 30 m long barrow 7 side chambers.
🇬🇧 United Kingdom · Megalith
Late Neolithic to Early Bronze Age (~3000–1500 BCE; Callanish I ~2900 BCE, satellites 2000–1500 BCE) · Late Neolithic Hebridean (Grooved Ware to Beaker)
Six stone circles and ellipses arrayed within 1.5 km of the Calanais I cross-shaped megalith – primary in the database – extend the main alignment: Callanish II (stone ellipse of 7 slabs), Callanish…
🇬🇧 United Kingdom · Megalith
Late Neolithic · Cumbrian Neolithic
Castlerigg Stone Circle Keswick at Cumbria, United Kingdom is a Late Neolithic megalithic of the Cumbrian Neolithic tradition, built c. 3000 BCE for oval stone circle 38 stones.
🇬🇧 United Kingdom · Megalith
Early Bronze Age (c.2000–1800 BCE) · British Early Bronze Age (Collared Urn)
Duddo Five Stones (Early Bronze Age c.2000 BCE) is a 10-m sandstone circle on a low rise 4 mi south of the Scottish border, with five soft, deeply weathered pillars up to 2.3 m tall standing in a…
🇬🇧 United Kingdom · Megalith
Neolithic · Orkney Neolithic
Midhowe Chambered Cairn Rousay at Orkney, United Kingdom is a Neolithic megalithic of the Orkney Neolithic tradition, built c. 3500 BCE for 23 m stalled cairn longest in orkney.
🇬🇧 United Kingdom · Megalith
Neolithic · Welsh Neolithic
Pentre Ifan Dolmen Pembrokeshire at Wales, United Kingdom is a Neolithic megalithic of the Welsh Neolithic tradition, built c. 3500 BCE for 16 tonne capstone 3 slender uprights.
🇬🇧 United Kingdom · Megalith
Early Neolithic · Windmill Hill
Knap Hill Causewayed Enclosure at Wiltshire, United Kingdom is a Early Neolithic megalithic of the Windmill Hill tradition, built c. 3700 BCE for causewayed enclosure on scarp.
🇬🇧 United Kingdom · Megalith
Late Neolithic to Early Bronze Age (3000–1800 BCE) · Late Neolithic Atlantic
Bryn Celli Ddu — North Outlier Standing Stone Row in Wales, Anglesey, United Kingdom is a Late Neolithic to Early Bronze Age (3000–1800 BCE) megalithic att…
🇬🇧 United Kingdom · Megalith
Late Neolithic · Late Neolithic Cumbria (Langdale axe trade area)
55-stone porphyritic circle (28.6 m) above Duddon estuary — best preserved in North-West England.
🇬🇧 United Kingdom · Megalith
Neolithic · Orkney Neolithic
Taversoe Tuick Two Storey Cairn at Orkney, United Kingdom is a Neolithic megalithic of the Orkney Neolithic tradition, built c. 3250 BCE for unique two-storey chambered cairn.
🇬🇧 United Kingdom · Megalith
Neolithic · Orkney Neolithic
Quoyness Chambered Cairn Sanday at Orkney, United Kingdom is a Neolithic megalithic of the Orkney Neolithic tradition, built c. 2900 BCE for maes howe type 20 m 9 m passage.
🇬🇧 United Kingdom · Megalith
Late Neolithic – Early Bronze Age · Shetland Late Neolithic / Beaker
Shetland's largest Neolithic hall — 12×7 m heel-cairn hall with 3 m thick walls, c.2500 BCE.
🇬🇧 United Kingdom · Megalith
Iron Age · Atlantic Iron Age
Broch of Gurness Orkney at Orkney, United Kingdom is a Iron Age megalithic of the Atlantic Iron Age tradition, built c. 200 BCE for broch with external village and ditch.
🇬🇧 United Kingdom · Megalith
Middle Neolithic to Bronze Age · Irish Passage Tomb / Bronze Age
Summit and north passage tombs on Slieve Gullion (573 m), south cairn cruciform, Bronze Age kerb reuse, c.3500 BCE.
🇬🇧 United Kingdom · Megalith
Iron Age (c.200 BCE–200 CE) · Atlantic Iron Age (Orcadian)
Finely preserved Rousay broch on Eynhallow Sound with intramural galleries and adjacent chambered cairn.
🇬🇧 United Kingdom · Megalith
Neolithic · Cornish Neolithic
Trethevy Quoit Cornwall at Cornwall, United Kingdom is a Neolithic megalithic of the Cornish Neolithic tradition, built c. 3700 BCE for 10.5 tonne capstone with hole.
🇬🇧 United Kingdom · Megalith
Late Neolithic (c.3200–2900 BCE) · Orcadian Neolithic (Grooved Ware)
Cuween Hill cairn (c.3200–2900 BCE) is a Maeshowe-type chambered cairn 21 m diameter crowning Cuween Hill above Kirkwall, with a 8-m low entrance passage leading to a 6-m central chamber with four…
🇬🇧 United Kingdom · Megalith
Early to Middle Bronze Age · Bodmin Moor Bronze Age
Triple line of three Bronze Age granite circles (33–41.5 m) on Bodmin Moor with paired outlying stones.
🇬🇧 United Kingdom · Megalith
Early Neolithic to Early Bronze Age · Severn-Cotswold / Gower Neolithic
Gower's 40-tonne conglomerate portal dolmen on Cefn Bryn ridge — largest capstone in Wales, split 1693.
🇬🇧 United Kingdom · Megalith
Late Neolithic (c.3000–2500 BCE) · Welsh Late Neolithic (Preseli Groove)
Gors Fawr (Late Neolithic c.3000–2500 BCE) is a 22-m perfect circle of 16 Preseli dolerite pillars, 0.6–1.8 m high, on moorland at Mynachlog-ddu beneath the Preseli ridge that sourced Stonehenge…
🇬🇧 United Kingdom · Megalith
Late Bronze Age to Iron Age (c.1000 BCE–500 CE) · Atlantic Iron Age
Multi-phase broch on loch islet near Lerwick with unique blockhouse forework and wheelhouse overbuild.
🇬🇧 United Kingdom · Megalith
Iron Age · Atlantic Iron Age
Mousa Broch Tower at Shetland, United Kingdom is a Iron Age megalithic of the Atlantic Iron Age tradition, built c. 300 BCE for 13.3 m dry-stone broch tower.
🇬🇧 United Kingdom · Megalith
Early Bronze Age · Snowdonia Early Bronze Age
8.7 m Snowdonia crown cairn with 18 angled slate pillars and 2 m outlier — most photogenic Bronze Age tomb in Wales.
🇬🇧 United Kingdom · Megalith
Multi-period: Neolithic to Medieval (c.2500 BCE–1600 CE) · Neolithic → Bronze Age → Iron Age (Broch) → Pictish → Norse
4,000-year layered settlement mound at Shetland's southern tip with broch, wheelhouses, Viking longhouse and medieval farm.
