Monument record 0014000002 - GRIM'S DITCH


Late prehistoric linear earthwork known as Grim's Ditch

Protected Status/Designation

  • Ancient Monument


Type and Period (3)

  • LINEAR EARTHWORK (Early Iron Age to Saxon - 700 BC? to 1065 AD?)
  • BOUNDARY BANK (Iron Age to Saxon - 800 BC? to 1065 AD?)
  • BOUNDARY DITCH (Iron Age to Saxon - 800 BC? to 1065 AD?)


Dimensions - Length 26km.
Plan Form - Linear.
Length from Berkhamstead-Wycombe assumed to be a whole. Probably once in open or cleared country. Was E line of Cuthwolf's territory in Anglo-Saxon Chronicles c.571 (Further detail)(B5).
Not earlier than Saxon; perhaps C5-C6 AD sub-Roman settlers (B6).
Said to be Iron Age. Cut by 2 Roman roads. Catuvellauni boundary (B7).

Sources (4)

  • <5>SBC6477 Article in serial: M W Hughes. 1931. 'GRIMS DITCH & CUTHWULF'S EXPEDITION TO THE CHILTERNS IN AD 571', IN ANTIQUITY 5 PP291-314. Vol 5.
  • <6>SBC16526 Article in serial: Mortimer Wheeler. 1934. WHEELER R E M 1934 'LONDON & THE GRIM'S DITCHES', IN ANTIQUARIES JOURNAL 14 PP254-263. Vol 14.
  • <7>SBC4461 Article in serial: James Dyer. 1963. 'THE CHILTERNS GRIMS DITCH', IN ANTIQUITY 37 PP46-49. Vol 37.
  • <16>SBC19564 Unpublished document: Buckinghamshire County Museum Archaeological Service. 1997. An Archaeological and Management Survey of Grim's Ditch, Buckinghamshire.


Grid reference Centred SP 8862 0366 (10450m by 11480m)
Civil Parish BUCKLAND, Aylesbury Vale, Buckinghamshire
Civil Parish CHOLESBURY-CUM-ST. LEONARDS, Chiltern, Buckinghamshire
Civil Parish ASTON CLINTON, Aylesbury Vale, Buckinghamshire

Finds (0)

Related Monuments/Buildings (1)

Related Events/Activities (0)

Record last edited

May 22 2022 3:02PM

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