Elephant Hall’s Bone Mosaic
Archived: 20 September 2026
Around 33,000 years ago, Ireland experienced severe, changing Late Pleistocene conditions as ice expanded towards the last glacial maximum. Castlepook Cave, County Cork, preserves Ireland’s richest pre-glacial-maximum vertebrate archive, although disturbed, mixed deposits prevent precise reconstruction. Its fauna includes mammoth, giant deer, reindeer, brown bear and spotted hyaena, indicating open, cold grassland or tundra-like environments supporting grazers, predators and scavengers. Reassessed radiocarbon dates place important remains in Marine Isotope Stage 3. A possibly cut-marked reindeer bone may suggest human activity, but remains unconfirmed. No secure evidence demonstrates resident humans, settlement, farming, trade or organised society in Ireland at this time.