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Grimes Graves

  • Thetford
  • Indoor and Outdoor
  • Ages 0-12
  • Caves and Mines

Attraction Information

At Grimes Graves today, visitors (10+) can descend 9 metres (30 ft) by ladder into one excavated shaft, an unforgettable experience: the only Neolithic flint mine open to visitors in Britain. A grassy lunar landscape of over 400 shafts, pits, quarries and spoil dumps

Visitors can use a hard hat and descend into one of the shafts to see the radiating galleries at the bottom and the marks made by the antler picks of the original miners.

Try to catch one of the flint-knapping demonstrations (with the knapper in costume wearing only animal skins!).

Plus the small exhibition area illustrates the history of this fascinating site.

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Opening hours

Please see website for details


General Admission
Adults from £4.60
Kids (5-17) from £2.80
Family from £12.00

Travel & Contact Information


The Exhibition Building, Lynford, Thetford, Norfolk, IP26 5DE, England

Phone number

01842 810656



Click here to visit Grimes Graves' website.

FAQ & Additional Information

Yes, there is parking onsite.

Yes, there are toilets and accessible toilets.

No, there are no baby changing facilities.

Yes, you can bring a picnic.

Grimes Graves has not told us about their dining options.

Yes, Grimes Graves is wheelchair friendly and has accessible toilets.

There is an age limit of 10 years of age for going down the mine shaft

Yes, Grimes Graves have stated they are pushchair friendly.

Grimes Graves has not told us if they are dog friendly.

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