Hidden Britain AtlasOpen the map
All places › Bigfoot & Hominids
Bigfoot & Hominids

Nanna's Cave

Caldey Island, Pembrokeshire

A cave on a monks' island, used by people for thousands of years.

Nanna's Cave on Caldey Island was used by people from the end of the last Ice Age, when Caldey was a hill on dry land, through the Stone Age and into Roman times. Finds include flint tools and the bones of animals they ate.

Read the full story, see it on the map, get directions and find what else is nearby in the free Hidden Britain Atlas map.

Open Nanna's Cave on the mapReport a sighting here
When
Ice Age onwards
Where
51.6360, -4.6900
Group
Bigfoot & Hominids

Visiting

Boats run from Tenby harbour in summer.

Nearby mysteries