//
Photo: Jan-Philipp Litza, CC BY-SA 4.0 via Wikimedia Commons
Show cave in an outcrop of Lower Carboniferous limestone, about 400 m in extent and descending 46 m. It's richly decorated with calcite formations, the most ornate being the 6 m "Market Cross". By guided tour only. The cave was the site of a massacre by the Vikings in 928 AD, according to The Annals of the Four Masters written 700 years later. Many human remains have indeed been found here, mostly women and children, plus a hoard of silver and bronze dated to 970 AD.
Dunmore Cave is a limestone solutional cave in Ballyfoyle, County Kilkenny, Ireland. It is formed in Lower Carboniferous (Viséan) limestone of the Clogrenan Formation. It is a show cave open to the public, particularly well known for its rich archaeological discoveries and for being the site of a Viking massacre in 928.
© OpenStreetMap contributors