🇬🇧 United Kingdom · Megalith
Grey Cairns of Camster
Neolithic (c.3500–3000 BCE) · Orkney-Cromarty Neolithic (Caithness)
Flow Country pair of vast Orkney-Cromarty cairns — 60 m long horned cairn with two chambers and intact round cairn.
🇬🇧 United Kingdom · Megalith
Stoney Littleton Long Barrow
Early Neolithic (~3750 BCE) · Cotswold-Severn Neolithic
One of Somerset's finest Severn-Cotswold tombs extending 30 m with a distinctive trapezoidal mound and seven lateral chambers opening from a central passage.
🇬🇧 United Kingdom · Megalith
La Hougue Bie
Middle Neolithic (~4000–3500 BCE; medieval chapel atop) · Armorican / Channel Neolithic (Norman Neolithic)
Jersey's paramount Neolithic monument crowns a 12-m artificial mound containing a cruciform passage grave with a 12-m roofed chamber aligned so equinox sunrise illuminates the rear cell.
🇬🇧 United Kingdom · Megalith
West Kennet Long Barrow
Early Neolithic · Cotswold-Severn Neolithic
100 m Early Neolithic chambered long barrow near Avebury with five sarsen chambers under chalk mound.
🇬🇧 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
Wayland's Smithy
Early to Middle Neolithic · Cotswold-Severn
Two-phase Neolithic long barrow near Uffington with sarsen passage grave overlain on earlier oval mound.