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Sites and Monuments Record · Ireland

Ringfort - rath

Ballyglass (Clanmorris By., Crossboyne Par.), County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Ringfort - rath, Ballyglass (Clanmorris By., Crossboyne Par.), 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 (Clanmorris By., Crossboyne Par.)
County
Mayo
Country
Ireland
First-edition OS map
Indicated
Latest-edition OS map
Hachured
Coordinates
53.64911, -8.97785
SMR number
MA111-066----

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 pasture, close to the Mayo-Galway border, located towards the E end of a narrow spit raised ground. Another rath (MA111-065----) is located c. 50m to W on the higher W end of the small ridge. There are excellent views to E−SE across gently undulating lowlying pasture and bog which stretches into county Galway.
Substantially raised circular earthen platform ( 30.7m N−S; 35.5m E−W) defined by a scarp (H 1.2m at W, 2.4m at E; Wth slope 1.65m at W, 2-3m at E), outside which it is enclosed by a fosse and on the E half by remnants of an external bank. The platform scarp retains a hint of an internal rim, probably the remnants of an original bank. The external slope on the E arc coincides with and is enhanced by the natural ridge slope. The fosse can be traced as a shallow depression (Wth 2m) at SW−NW and at NE−SE; at N and S linear E-W field fences obscure the line of the fosse and external bank. The external bank is evident as a low rise (Wth 2.8m; int. H 0.1m; ext. H 0.4m) on the outer edge of the fosse at NE−SE; it appears to have been incorporated into a later field boundary, now removed.
The W half of the interior is level; The E half slopes down from centre towards the perimeter. Prominent cultivation ridges traverse the entire interior space, right up to the edge of the scarp, giving it a scalloped appearance along the W edge.
The entrance may have been at NW where a section (Wth 2m) of the scarp is lowest relative to exterior ground level. There is also a narrow slumped area (Wth 1.5m) in the scarp at S.

Compiled by: Jane O'Shaughnessy

Date of upload: 17 February 2023

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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