Sutton Hoo
Explore
Explore Grime’s Graves, Britain’s only open Neolithic flint mine in Norfolk, with a 9m shaft descent. Visit nearby Thetford Forest and Bury St Edmunds.
Grime’s Graves, a remarkable Neolithic flint mine in Norfolk, is Britain’s only such site open to the public. Dating to around 2600–2300 BCE, this 37-hectare complex near Thetford features over 430 pockmarked shafts, dug by prehistoric miners to extract jet-black flint for tools and weapons. Managed by English Heritage, the site’s lunar-like landscape and accessible mine shaft offer a unique glimpse into Stone Age industry, blending archaeology, geology, and history in the Breckland heath.
Visitors can descend 9 meters into Pit 1 via a ladder to explore radiating galleries, where antler picks and chalk lamps once illuminated the miners’ work. A new exhibition showcases replica tools, like axes and knives, while film projections narrate the lives of Neolithic communities. The site’s ritual artifacts, including buried antlers and Grooved Ware pots, hint at spiritual practices. Family trails and events, like the 2025 Grime’s Graves Flint Festival, engage all ages, though children under 7 cannot enter the shaft.
Nearby attractions include Thetford Forest, 3 miles away, ideal for cycling and walking. Bury St Edmunds, with its historic abbey and cathedral, is a 30-minute drive, while Castle Acre Castle and Priory, showcasing Norman ruins, is 20 miles north. Grime’s Graves’ ancient engineering, immersive experiences, and proximity to Norfolk’s treasures make it an essential stop for exploring Britain’s prehistoric past.
Descend 9 meters into Pit 1 to explore ancient galleries, where Neolithic miners used antler picks to extract flint, with film projections vividly recreating their world.
The new exhibition displays replica axes, knives, and sickles, showcasing the craftsmanship of Stone Age tools crafted from Grime’s Graves’ jet-black flint.
The pockmarked terrain, with over 430 infilled shafts, creates a striking lunar-like vista, reflecting 5,000 years of mining across the Breckland heath.
Discover evidence of Neolithic rituals, like buried antler picks and Grooved Ware pots, hinting at the spiritual significance of mining at this ancient site.
Why not make a weekend of it? Explore Nearby Attractions. Scroll to zoom in or out on map.
Curious about Grimes Graves? We've compiled answers to the most frequently asked questions to help you uncover the highlights and visitor essentials.
Grime’s Graves is Britain’s only Neolithic flint mine open to visitors, with over 430 shafts dug around 2600 BCE for high-quality flint tools.
Active from c. 2600–2300 BCE, miners dug deep shafts to extract jet-black flint for axes and knives. Named by Anglo-Saxons after their god Grim, its purpose was revealed in 1870 by William Greenwell’s excavations.
Adult tickets cost £7.50, children (5-17) £4.50, free for English Heritage members. Family tickets start at £19.50. Check www.english-heritage.org.uk for prices.
Dogs on leads are permitted on the grounds but not in the mine shaft or visitor center, except for assistance dogs.
Self-guided audio tours are included with admission. Expert-led talks occur during events; book groups via www.english-heritage.org.uk.
The visitor center and exhibition are accessible, but the mine shaft requires ladder descent.
Yes, the site’s Site of Special Scientific Interest offers trails with rare flora and fauna, ideal for nature walks.
Make your trip unforgettable by exploring these nearby attractions during your visit.