Moated site, Jamestown, Co. Tipperary South

Moated site, Jamestown, Co. Tipperary South

In the quiet countryside of Jamestown, County Tipperary South, a remarkable medieval moated site sits on the floor of a small river valley, its waterlogged defences still clearly visible after centuries.

Moated site, Jamestown, Co. Tipperary South

The site occupies low-lying pasture land and retains its distinctive rectangular form, measuring approximately 51 metres northwest to southeast and 63 metres northeast to southwest when measured from the outer edges. Though heavily overgrown with scrub and quite boggy underfoot, the earthworks tell a clear story of medieval defensive architecture.

The site’s defences consist of three distinct elements: an inner bank, a water-filled fosse (or moat), and an outer bank. The inner bank remains particularly well-preserved, rising between 0.5 and 0.54 metres on the interior side and standing 1.32 to 1.57 metres above the moat level. Its crest width varies from 2.7 metres on the southwest side to 1.9 metres on the northeast, whilst the base spreads to 4.1 metres. Between the two banks lies the wide, flat-bottomed fosse, still waterlogged after all these years, measuring between 3.3 and 4 metres across. The outer bank, though now largely reduced to a scarp, originally matched the inner bank in scale, with measurements showing it once stood nearly 1.6 metres above the moat on its inner face.



One particularly intriguing feature is the remains of a leat, or artificial watercourse, at the southern angle of the site; this represents the closest point to the river that flows northeast to southwest just southeast of the moated site. Historical Ordnance Survey maps from 1840 and 1901-05 clearly marked this water channel, which would have fed water into the moat system. Today, whilst partially piped, it remains visible as a slight depression about 2.4 metres wide and roughly 27 metres long, a subtle reminder of the engineering required to maintain these defensive water features. Curiously, no clearly defined entrance to the site has been identified, leaving questions about how the medieval inhabitants accessed their well-protected enclosure.

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Jamestown, Co. Tipperary South
52.38345474, -7.7910025
52.38345474,-7.7910025
Jamestown 
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