Ringfort (Rath), Carrowcastle, Co. Mayo
Co. Mayo |
Ringforts
On a narrow north-to-south ridge in County Mayo, a roughly circular earthwork occupies almost the entire width of the high ground, as though whoever chose the site wanted to leave as little ridge as possible unused.
The land drops sharply to the west and more gradually to the east, which means the rath, a type of raised, embanked enclosure used in early medieval Ireland as a farmstead or small defended settlement, commands clear views eastward over rolling countryside and southwestward across a broad, low-lying stretch of wet ground. That combination, elevation, visibility, and a natural defensive advantage on the steeper side, is precisely the kind of calculation that guided the builders of such enclosures across Ireland for several centuries.
The platform itself measures just under 48 metres east to west and 43 metres north to south, defined by a scarp, essentially a cut or shaped slope in the earth, that rises to around 1.65 metres on the eastern side. On the southern arc, this scarp has been absorbed into a later field fence running east to west, and the northern arc has been levelled, so the original circuit is no longer fully legible on the ground. More telling is what survives between roughly south-southwest and north-northwest: a terrace-like feature roughly 2.7 metres wide that mirrors the curve of the main enclosure and is bounded on its outer edge by a smaller scarp. This is likely all that remains of a fosse, the ditch that would originally have encircled the rath and reinforced its enclosing effect. Where an entrance once stood is unclear; the most probable candidate is a low, eroded gap about 2 metres wide at the southwest, where the scarp meets that later field boundary.
The interior is grassed over today, with gorse bushes and hawthorn trees marking the perimeter, the hawthorn in particular being a species long associated in Irish tradition with the boundaries of such sites. The slight downward slope from the centre toward the northeast gives the platform a faint tilt that is easier to feel underfoot than to see at a glance.