Derryvree’s Drumlin Waters
Archived: 21 September 2026
The label 30,926 BCE cannot identify a recoverable Irish year, but denotes a Late Pleistocene MIS 3 setting before maximum glaciation. Ireland experienced variable cold conditions, lower seas and limited ecological connections with Britain and Europe. Derryvree, County Fermanagh, preserves freshwater deposits between tills, indicating a locally ice-free, periglacial wetland with treeless tundra vegetation, insects and aquatic plants. Castlepook Cave, County Cork, documents diverse cold-stage fauna, although bones accumulated over time and cannot date species precisely to this year. A marked reindeer bone suggests possible brief human activity, but no secure evidence supports permanent settlement in Ireland, society or institutions.