Kerry has one of the highest concentrations of ringforts in Ireland — circular earthwork or stone enclosures built during the Iron Age and early medieval period as farmsteads and settlements. Drive any road in rural Kerry and you will pass them on the hillsides, their circular outlines still clearly visible after 1,500 years. Alongside them, scattered across the county, stand Ogham stones — upright stones inscribed with the earliest form of written Irish, a script of notches and lines that predates the Roman alphabet in Ireland.
At a glance
- Ringforts 40,000+ survive across Ireland — Kerry has among the highest density
- Period Iron Age and early medieval — roughly 500 BC to 1000 AD
- Ogham script 4th–7th century AD — the earliest written Irish
- Ogham stones Over 400 survive in Ireland, highest concentration in Kerry and Cork
Ringforts
A ringfort — called a rath or lios in Irish — was the standard farmstead of Celtic and early medieval Ireland. A circular bank and ditch enclosed a living area containing one or more houses, with outbuildings for animals and storage. They were not primarily defensive structures — the enclosure provided shelter, defined territory and kept livestock secure at night. The circular shape is characteristic and makes them instantly recognisable from the air and on the ground.
In Kerry the ringforts are particularly numerous because the population was dense and the land was farmed intensively during the Iron Age and early medieval period. Many survive because they were never built on — the tradition that ringforts are fairy forts and should not be disturbed persisted in rural Ireland well into the 20th century, providing an accidental conservation service.
The Irish tradition that ringforts were fairy forts — not to be disturbed — preserved thousands of them into the modern era. Superstition as conservation.
Ogham stones
Ogham is the earliest form of written Irish — a script consisting of notches and lines carved along the edge of a standing stone. The inscriptions are typically short — a personal name, a lineage, occasionally a place name — and date from roughly the 4th to 7th centuries AD. They represent the transition from pre-literate Celtic society to the Christian literate culture that would follow.
Kerry and Cork have the highest concentration of Ogham stones in Ireland. Many have been moved from their original locations into churches, museums and private collections — but several remain in situ in the Kerry landscape, their inscriptions still legible to those who know the script. The Ogham Stone Trail in Kerry maps surviving examples across the county.
Where to find them
Ringforts
Visible throughout rural Kerry — look for circular earthworks on hillsides from any elevated viewpoint. Many are on private land but visible from roads
Ogham Stones
Several Kerry museums hold Ogham stones — the Kerry County Museum in Tralee has a significant collection
Ogham Trail
Kerry has a signposted Ogham Stone Trail — maps available from local tourist offices and online
Further Reading
The Discovery Programme has published detailed research on Kerry's prehistoric landscapes — worth reading before visiting