About
West Kennet Long Barrow is one of the largest and most accessible Neolithic chambered tombs in Britain, built around 3650 BC within what is now the Avebury World Heritage Site. The turf-covered mound runs for just over 100 metres, and at its eastern end five burial chambers open off a central passage behind a facade of huge sarsen stones. Excavations found the partial remains of at least 46 people, along with pottery, beads and a stone dagger, before the tomb was finally sealed with massive sarsen blocking stones. Visitors can walk into the passage and chambers, and from the top of the mound there are views of Silbury Hill and the East Kennet barrow. Reviewers praise those far-reaching views over the downs. The barrow is looked after by the National Trust for English Heritage. Park in the free lay-by on the A4 and follow the signed half-mile path uphill across farmland. Only assistance dogs are allowed.
Open in daylightFrom English Heritage's calendar
- Open any reasonable time in daylight
From English Heritage's published calendar, updated 1 October 2026, with dates up to 16 March 2027.
Opening times may change at short notice.
Free entry; open any reasonable time during daylight hours.
Managed by the National Trust on behalf of English Heritage; the barrow is privately owned and in English Heritage guardianship. Toilets and a cafe are near the Alexander Keiller Museum in Avebury.
Accessibility: a 10 to 15 minute uphill walk from the lay-by on gravel then grass track; there is an unguarded drop from the top of the barrow above the entrance.
Parking: free lay-by signposted on the A4.
Photo: Mark Kent. CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0/). Source: https://commons.wikimedia.org/wiki/File:West_Kennet_Long_Barrow_and_Silbury_Hill.jpg. Resized for display.
Dogs at the location: Not allowed. Pet dogs are not allowed; assistance dogs only.
Dog walks in the grounds: Not allowed. Pet dogs are not allowed at the barrow; assistance dogs only.
Leads: Not applicable: pet dogs are not allowed at the barrow.
Assistance dogs: Assistance dogs only.
PricingFreeFree for all visitors
Free entry for everyone
Entry
Free for everyone
Pricing details
Free to everyone; open access site.
ParkingFree parkingFree for all visitors
No charge for anyone.
Parking details
Free parking in the lay-by signposted on the A4; the barrow is a half-mile uphill walk across farmland, signposted from the lay-by.
Driving arrival: the A4 lay-by listed on Google as 'Parking for West Kennet Long Barrow'.
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