🇬🇧 United Kingdom · Megalith
Coetan Arthur at St Davids Head
Early Neolithic (c.3800–3600 BCE) · Western Neolithic (Pembrokeshire)
Headland portal dolmen (capstone 5 x 3 m) on St Davids Head cliff overlooking Whitesands Bay — Neolithic coastal tomb.
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675 places in the atlas, 32 of them inscribed as UNESCO World Heritage.
🇬🇧 United Kingdom · Megalith
Early Neolithic (c.3800–3600 BCE) · Western Neolithic (Pembrokeshire)
Headland portal dolmen (capstone 5 x 3 m) on St Davids Head cliff overlooking Whitesands Bay — Neolithic coastal tomb.
🇬🇧 United Kingdom · Megalith
Early Neolithic (c.3800–3500 BCE) · Cotswold-Severn Neolithic
Ruined 110 m long Cotswold-Severn chambered cairn on Cheshire border — four portal stones survive of vast ridge cairn.
🇬🇧 United Kingdom · Megalith
Early Neolithic (c.3800–3600 BCE) · Neolithic Anglesey
Twin Neolithic chamber tombs in single long cairn near Presaddfed — west chamber with 5 m capstone best preserved.
🇬🇧 United Kingdom · Earthwork
Late Neolithic to Early Bronze Age (c.3000–1900 BCE) · British Late Neolithic (Grooved Ware / Beaker)
Grime's Graves (c.3000–1900 BCE, peak c.2600 BCE) is a 36-hectare Neolithic flint-mining pockfield in Breckland heath near Brandon, with 433 shaft pits visible as dimples and one deep public pit 9.5…
🇬🇧 United Kingdom · Megalith
Early Iron Age to Norse (c.600 BCE–900 CE) · Atlantic Iron Age / Norse
Eroded Caithness cliff broch with early fort, broch tower and Norse layers; half lost to sea after 1960s excavation.
🇬🇧 United Kingdom · Megalith
Iron Age (c.300–100 BCE) · Atlantic Iron Age (Shetland)
World's tallest surviving broch (13.3 m), perfectly preserved Iron Age tower on uninhabited Mousa island.
🇬🇧 United Kingdom · Megalith
Early Bronze Age (c.2000–1500 BCE) · Orcadian Early Bronze Age (Beaker–Food Vessel)
The Knowes of Trotty (Early Bronze Age c.2000–1800 BCE) is a 1.5-m high burnt mound cemetery of 8 low barrows on the Harray lochside, famous 1858 excavation by George Petrie yielding the richest…
🇬🇧 United Kingdom · Megalith
Late Neolithic to Early Bronze Age (c.2500–1700 BCE) · Cumbrian Late Neolithic–Bronze Age (Beaker)
Birkrigg stone circle (Late Neolithic–Early Bronze Age c.2500–1700 BCE), also called the Druid's Temple, is a double concentric circle 26 m outer and 9 m inner on Birkrigg Common limestone moor 2 mi…
🇬🇧 United Kingdom · Megalith
Early Neolithic · Cotswold Neolithic
Crickley Hill Causewayed Enclosure at Gloucestershire, United Kingdom is a Early Neolithic megalithic of the Cotswold Neolithic tradition, built c. 3750 BCE for promontory attacked c.3400 bce.
🇬🇧 United Kingdom · Megalith
Early Neolithic · Cotswold-Severn
Hetty Peglers Tump Uley Barrow at Gloucestershire, United Kingdom is a Early Neolithic megalithic of the Cotswold-Severn tradition, built c. 3700 BCE for 54 m transepted barrow 2 chambers.
🇬🇧 United Kingdom · Ancient village
Iron Age to Romano-British · Dumnonian
Chysauster Romano-British Village at Cornwall, United Kingdom is a Iron Age to Romano-British ancient village of the Dumnonian tradition, built c. 100 BCE for courtyard houses with fogou.
🇬🇧 United Kingdom · Megalith
Late Neolithic (c.3200–2800 BCE, Norse reuse 12th c. CE) · Orcadian Neolithic (Grooved Ware) + Norse
Eynhallow chambered cairn (Maeshowe-type, c.3200–2800 BCE) is a 17-m Orkney-Cromarty stalled cairn on the uninhabited tidal island of Eynhallow in Eynhallow Sound, built of flagstone slabs with three…
🇬🇧 United Kingdom · Earthwork
Neolithic to Iron Age · Devon Neolithic
Hembury Hillfort Devon at Devon, United Kingdom is a Neolithic to Iron Age earthwork of the Devon Neolithic tradition, built c. 4000 BCE for causewayed enclosure + iron age hillfort.
🇬🇧 United Kingdom · Megalith
Neolithic · Channel Neolithic
La Hougue Bie Jersey Passage Grave at Jersey, United Kingdom is a Neolithic megalithic of the Channel Neolithic tradition, built c. 4000 BCE for 18 m passage grave 12 m mound chapel.
🇬🇧 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
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 · Earthwork
Iron Age · British Iron Age
Danebury Hillfort Hampshire at Hampshire, United Kingdom is a Iron Age earthwork of the British Iron Age tradition, built c. 550 BCE for type-site hillfort dense occupation.
🇬🇧 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 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 · Earthwork
Bronze Age to Iron Age (~1500–300 BCE; causeway 1350–1150 BCE) · British Bronze Age (Deverel-Rimbury to Post-Deverel-Rimbury)
A 1-km line of 60,000 oak posts forming a causeway and platform across Flag Fen where Francis Pryor excavated systematic votive deposits: over 300 metalwork items deliberately broken (swords bent,…
🇬🇧 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…
