🇬🇧 United Kingdom · Megalith
King Arthur's Stone (Herefordshire)
Early Neolithic · Cotswold-Severn
32-tonne Herefordshire Cotswold-Severn tomb — nine uprights under 25 m mound on Golden Valley ridge.
🇬🇧 United Kingdom · Megalith
Arthur's Stone, Gower (Maen Cetti)
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
Lanyon Quoit
Early Neolithic · Penwith Early Neolithic
Penwith portal dolmen — 5.5 m capstone (12 t) on three 1.5 m uprights, collapsed 1815 and reset lower.
🇬🇧 United Kingdom · Megalith
Trethevy Quoit
Early Neolithic · East Cornwall Early Neolithic
East Cornwall's tallest quoit — 2.4 m uprights supporting capstone 3 m high with internal divider and rear window.
🇬🇧 United Kingdom · Megalith
Chûn Quoit
Early Neolithic · Penwith Early Neolithic
Hilltop Penwith quoit — intact 4-post portal dolmen with mushroom capstone above Chûn Castle, most complete in Cornwall.
🇬🇧 United Kingdom · Megalith
Zennor Quoit
Early Neolithic · Penwith Early Neolithic
Ruinous 12.8 m mound dolmen on Zennor Hill with slipped 4.8 m capstone over 3.5 m chamber.
🇬🇧 United Kingdom · Megalith
Rollright Stones
Early Neolithic to Middle Bronze Age · Cotswold Neolithic to Beaker
Neolithic-Bronze Age complex with King's Men circle, Whispering Knights dolmen and King Stone monolith on Cotswold ridge.
🇬🇧 United Kingdom · Megalith
Pentre Ifan
Early Neolithic · Preseli Early Neolithic
Wales' largest portal dolmen with 16-tonne capstone on three 2.4 m orthostats.
🇬🇧 United Kingdom · Megalith
Kit's Coty House
Early Neolithic · Medway Early Neolithic
Remnant chamber of Medway long barrow above River Medway — three sarsens supporting 3.5 m capstone.
🇬🇧 United Kingdom · Megalith
Tinkinswood Burial Chamber
Early Neolithic · Severn-Cotswold Neolithic
Severn-Cotswold long cairn near Cardiff with Britain's largest capstone at 40 tonnes.
🇬🇧 United Kingdom · Megalith
Dyffryn Ardudwy Burial Chamber
Early to Middle Neolithic · Irish Sea Neolithic
Double portal dolmen in Snowdonia foothills with two capstones sharing a mound near Cardigan Bay.
🇬🇧 United Kingdom · Megalith
St Lythans Burial Chamber
Early Neolithic · Severn-Cotswold
Portal dolmen near Cardiff with 35-tonne capstone on three orthostats, remnant of Severn-Cotswold long cairn.
🇬🇧 United Kingdom · Megalith
Kit's Coty House (Kent, England)
Early Neolithic · Medway Megaliths
Kit's Coty House in Kent, England, United Kingdom is a Early Neolithic megalithic attributed to Medway Megaliths culture. Megalithic construction with sarsen; evidence of ceremonial and funerary use.