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Sites and Monuments Record · Ireland

Ringfort - rath

Roosky (Costello By., Kilbeagh Par.), County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Ringfort - rath, Roosky (Costello By., Kilbeagh 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
Roosky (Costello By., Kilbeagh Par.)
County
Mayo
Country
Ireland
First-edition OS map
Indicated
Latest-edition OS map
Indicated
Coordinates
53.99543, -8.68645
SMR number
MA051-006----

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 1790 map "Composite: Ireland." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1790 · Composite: Ireland. (David Rumsey Map Collection, Stanford Libraries)
  • 1811 · 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, in an area of mixed grassland and bog; ground falls away gently to S, giving good views.
Slightly raised circular area (30.5m N−S; 33.4m E−W) defined by an earthen bank (4.2m at S) and enclosed by a fosse. There is a remnant of an external bank (Wth 2m; int. H 0.6m; ext. H 0.5m) on the S arc; it has been levelled elsewhere. The rath has been modified as a result of incorporation into a system of later field boundaries, which abut it at NW and SW, and the bank on the W arc serves as a field fence.
The inner bank is generally low on its internal face; the external face is cut quite vertical, especially towards the base. The inner face of the external bank is also quite vertical-faced. The fosse is evident as a shallow depression on the E half of the circuit; on the W arc there is a narrow, shallow depression (W 1.4m) which may be a later field ditch cut into the original line of the fosse. The rath interior is level. There is a gap (Wth 2m) in the inner bank at SE which may indicate an original entrance.
The interior is grassy; the bank at W, where it serves as a field boundary, is thickly covered in blackthorn; elsewhere the bank is dotted with hawthorn bushes. There are several breaks or areas of erosion by farm stock.

Compiled by: Jane O'Shaughnessy

Date of upload: 17 June 2020

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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