Llyn Cerrig Bach
RAF Valley, Anglesey
In 1942, peat dug for the RAF runway at Valley came up full of metal. It turned out to be 181 Iron Age objects thrown into a lake as offerings: swords, spears, a trumpet, cauldrons and a slave chain with five neck rings.
Read the full story, see it on the map, get directions and find what else is nearby in the free Hidden Britain Atlas map.
- When
- c. 300 BC–AD 100
- Where
- 53.2570, -4.5350
- Group
- Circles & monuments
Visiting
Finds are at Amgueddfa Cymru, Cardiff.

The Ledger of Lost Britain
The Romans arrived in AD 43. For most people that is where the history of Britain begins. But by the time the legions landed, people had already been living on these islands for thousands of years. They had hunted, farmed, mined flint, dragged stones across the country, raised a hill by hand, and buried their dead in great tombs. They left no written words. What they left was the ground itself. Every place in this book can be visited, or has been dug up, or is in a museum.
Nearby mysteries
- Ffynnon GwenfaenHoly well · Rhoscolyn, Anglesey · 3 miles away
- Caer GybiRoman Britain · Holyhead, Anglesey · 5 miles away
- Bedd BranwenMysterious grave · River Alaw, Anglesey · 8 miles away
- St Dwynwen's WellHoly well · Llanddwyn Island, Anglesey · 10 miles away
- Bryn Celli DduAncient monument · Llanddaniel Fab, Anglesey · 13 miles away
- Caernarfon CastleCastle or abbey · Caernarfon, Gwynedd · 13 miles away