Historic SiteGloucestershireEnglish Heritage4.5
Windmill Tump, also called Rodmarton Long Barrow, is an early Neolithic chambered tomb of the Cotswold Severn type, built between about 4000 and 3500 BC. Its trapezoidal mound of small stones is 57 metres long and still stands up to 2.75 metres high. At the eastern end, two projecting horns frame a forecourt and a so-called false entrance of two standing stones and a lintel, blocked by a slab and never giving access to the tomb. Excavators found 13 skeletons and leaf-shaped arrowheads in the northern chamber in 1939, and when two trees fell in the great storm of 1987 they exposed a previously unknown chamber holding a child's bones. Reviewers value the information boards and the quiet setting among open fields, though little shows beyond the grassy mound and entrance stones. Park in the layby on Oathill Lane and follow the signposted field-edge path, which can be muddy after rain. Only assistance dogs are allowed.
From English Heritage's published calendar, updated 1 October 2026, with dates up to 16 March 2027.
Open any reasonable time during daylight hours.
Free to everyone. Managed by Gloucestershire County Council for English Heritage.
Accessibility: The 250-metre walk from the layby along the field edge can be muddy in wet weather.
Parking: Free layby parking on Oathill Lane; from the crossroads in Rodmarton follow the sign for Hazleton. Facilities and shops are in Kemble.
Photo: Martin Richard Phelan. CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0/). Source: https://commons.wikimedia.org/wiki/File:In_a_Gloucestershire_field,_Windmill_Tump_-_Rodmarton,_Gloucestershire_-_geograph.org.uk_-_3943625.jpg. Resized for display.
Dogs at the location: Not allowed. Assistance dogs only; pet dogs are not allowed.
Dog walks in the grounds: Not allowed. Assistance dogs only; pet dogs are not allowed at the monument.
Leads: Not applicable: assistance dogs only.
Assistance dogs: Assistance dogs are allowed.
Free to everyone; open access site. English Heritage membership is not needed.
No charge for anyone.
Free parking in a layby on Oathill Lane, about half a mile from the centre of Rodmarton; the barrow is a signposted 250-metre walk along a field edge.
Driving arrival: the layby on Oathill Lane at the point of the lane nearest the barrow, about 230 metres north of the monument.
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