Derryvree’s Mossy Waters
Archived: 14 September 2026
Around 31,784 BCE, Ireland lacked recorded history and is best understood through Late Pleistocene environmental evidence rather than precise annual events. At Derryvree, County Fermanagh, freshwater silts between glacial tills preserve tundra vegetation, mosses and Arctic-affinity insects, showing an ice-free interval amid shifting advances. Castlepook Cave, County Cork, yielded remains of reindeer and other cold-stage animals, although deposits combine different periods and revised dating complicates interpretation. A possibly cut-marked reindeer bone suggests a brief early human presence, but cannot prove settlement. Ireland was a changing, cold edge-land, ecologically connected to Europe, later reshaped by expanding ice sheets during subsequent glaciation.