Why this matters
Carrignahasta is a sea cliff or coastal rock feature located in County Cavan, composed primarily of Carboniferous limestone, formed around 340 to 320 million years ago through the accumulation of marine sediments. It is notable for its geological significance in the context of Ireland's ancient carbonate rock formations and coastal erosion processes.
What is recorded here
Carrignahasta is recorded as a cliff in County Cavan. Its open map record supplies this location and any linked names or public references.
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