Dunmore Cave
| Dunmore Cave | |
|---|---|
| Dearc Fearna | |
Cave entrance | |
| Location | Castlecomer Road, County Kilkenny |
| Depth | 150 feet (46 m) |
| Length | 310 m (1,030 ft) |
| Geology | Carboniferous Limestone |
| Entrances | 1 |
| Access | Show cave access only |
Dunmore Cave (from Irish Dún Mór 'great fort') 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.