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Sites and Monuments Record · Ireland

Ringfort - rath

Ballyglass Lower, County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Ringfort - rath, Ballyglass Lower, County Mayo, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1915), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Townland
Ballyglass Lower
County
Mayo
Country
Ireland
First-edition OS map
Indicated
Latest-edition OS map
Not indicated
Coordinates
53.72373, -8.72108
SMR number
MA103-032----

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

4 historical maps cover this location, the earliest the 1753 map "Mappa geographica Regni Hiberniae" (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1753 · Mappa geographica Regni Hiberniae (David Rumsey Map Collection, Stanford Libraries)
  • 1790 · Composite: Ireland. (David Rumsey Map Collection, Stanford Libraries)
  • 1869 · Ireland. (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Ireland 16 (David Rumsey Map Collection, Stanford Libraries)

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This record in the National Monuments Service's Historic Environment Viewer ↗

The National Monuments Service's description

In average pasture, sited at the E end of a terrace, on a N-facing slope which falls to an expanse of wet boggy pasture. There are excellent views, blocked now to W by forestry plantation.
This large, oval embanked enclosure, most likely a rath, is shown on the 1838 OS 6-inch map; it is not shown on later map editions. It survives as a slightly raised area (65.5m E−W; 41m N−S), ovoid in plan, defined on the W half by a bank/scarp with a broad, low inner lip (Wth c. 4.5m; int. H 0.2m; ext. H 2.05m), outside which it is enclosed by a well defined fosse (Wth 2.8m at base), with an external bank (Wth 5.5m; int. H 1.3m; ext. H 1.5m) which is best preserved at W−N. On the E half, the enclosing elements have been levelled to low undulations. A slight rise is evident in the base of the fosse at S, possibly the remnant of a causeway.
The central part of the interior is raised, possibly encompassing a natural rise, with a slope down towards the perimeter. The slope is steepest and broadest at NE−E, with a drop in height from centre to perimeter of c. 2m. A field fence crosses the enclosure to W of centre. A small quarry pit cuts into a portion of the fosse and external bank at W, and the inner bank/scarp is disturbed at N. A field fence with contiguous field drain skirts around the NE side of the enclosure in a broad arc. A fulacht fia (MA103-076----) lies immediately N of this fence, c. 10m N of the rath.
The rath is grass cover, with the perimeter on W arc ringed with gorse. Another rath (MA103-032----) is located 230m to NE.

Compiled by: Jane O’Shaughnessy

Date of upload: 11 November 2022

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Sites and Monuments Record data: National Monuments Service, Government of Ireland, licensed under CC BY 4.0. Record text is reproduced unchanged. National Monuments Service, Government of Ireland · CC BY 4.0
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