Grime's Graves - Prehistoric Flint Mine

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Looking for: Museums / Galleries
Address: The Exhibition Building
Lynford
Thetford
Norfolk
Postcode: IP26 5DE
Age Group: All Ages
Kids Activity: Indoors
Telephone: 01842 810656
Website: Click Here

Grime’s Graves is the only Neolithic flint mine open to visitors in Britain. This grassy lunar landscape of 400 pits was first named Grim’s Graves by the Anglo-Saxons. It was not until one of them was excavated in 1870 that they were identified as flint mines dug over 5,000 years ago.

A small exhibition area illustrates the history of this fascinating site. Visitors can descend 9 metres (30 ft) by ladder into one excavated shaft to see the jet-black flint.

Set amid the distinctive Breckland heath landscape, Grime’s Graves is also a Site of Special Scientific Interest and a habitat for rare plants and fauna.

Please note that children under 5 years of age are not allowed into the mine shaft and visitors should be advised to wear sensible flat shoes.


    • Tickets
    • Adults: £3.30
    • Children: £2.00
    • Concessions: £3.00
    • EH Member Cost: Free
    • Family Ticket: £8.60
    No entry to the mines for children under 5 years of age.