1 Best Sight in Killaloe, County Clare, Galway, and the Aran Islands

St. Flannan's Cathedral

Built by the O'Brien clan in the early 13th century, Killaloe Cathedral is the most prominent landmark in the town's streetscape. Inside the cathedral you can see rare carvings including a Kilfenora Cross and the Thorgrim Stone, which has unique runic and ogham inscriptions.

Capture the cathedral's beauty from across the lake in Ballina.