Corkscrew Hill, located along the N67 in County Clare, offers a sweeping view across the Burren’s limestone terraces, green fields and hazel woodland toward Galway Bay. The narrow road winds through several sharp bends between the coastal village of Ballyvaughan and the spa town of Lisdoonvarna. Travelers should drive slowly and stop only at the designated viewing area near the top, where they can safely admire a natural amphitheater bordered by Aillwee Mountain and Cappanawalla Mountain (Fáilte Ireland, n.d.).
The landscape also tells a remarkable scientific story. Its limestone began forming about 330 million years ago in a warm tropical sea near the equator, long before the age of dinosaurs. Ancient ice sheets later shaped the valley and exposed the rock, while slightly acidic rainwater gradually dissolved the limestone to create pavement, caves and underground rivers. Fossils of corals, crinoids, brachiopods and marine snails can still be found within the rocks—evidence that this green corner of Ireland was once an ancient seabed (Burren and Cliffs of Moher UNESCO Global Geopark, n.d.).
References:
Burren and Cliffs of Moher UNESCO Global Geopark. (n.d.). The geology of the Burren.
Fáilte Ireland. (n.d.). Corkscrew Hill touring route. Discover Ireland.
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