Lough Bray Upper and Lower are corrie lakes, gouged out by the retreating glaciers of the last ice age. The stream which drains the lower lake rushes across the valley to join the Glencree River.
Lough Bray Upper and Lower are corrie lakes, gouged out by the retreating glaciers of the last ice age. The stream which drains the lower lake rushes across the valley to join the Glencree River.