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Sites and Monuments Record · Ireland

Ringfort - rath

Carrowbaun (Costello By.),Rath, County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Ringfort - rath, Carrowbaun, Rath, 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
Carrowbaun (Costello By.),Rath
County
Mayo
Country
Ireland
First-edition OS map
Indicated
Latest-edition OS map
Hachured
Coordinates
53.84446, -8.81050
SMR number
MA082-006----

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)
  • 1857 · 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, located on a rise in undulating terrain. The surrounding ridges and undulations give the effect of being in the centre of a low natural bowl or amphitheatre. Nephin mountain is visible on the far horizon to W.
Shown on the 1838 edition OS 6-inch map as a circular embanked enclosure, crossed to W of centre by a N–S field boundary/townland boundary; it is shown on the 1916 edition as a D-shaped hachured area bordered on the straight E side by the N−S townland boundary.
Originally circular (diam. c. 20-25m), the W two thirds of this enclosure have been levelled. The remains consist of a D-shaped platform (16.2m N–S; 9.4m E–W to wall) defined on its curving W side by a pronounced scarp (ext. H 1.5m), largely earthen but with some stone protruding slightly from the sod in parts. Outside the scarp is a broad, well defined fosse (Wth 5m) on the outer edge of which is a gravelly external bank (Wth 6-7.4m; int. H 0.7-1.2m; ext. H 1.5-1.8m) with a broad slump enhanced by the natural slope of the rise. The platform is substantially raised, with a slight slope down to the S in the S half. The straight side to E is bordered by a N–S field wall which serves both as a townland and a property boundary.
To E of this N−S wall, a low rise/undulation preserves the outline of the levelled NE quadrant of the enclosure. There is no trace SE quadrant at ground level. A perpendicular field wall extends to E from the N–S townland boundary, crossing the levelled E portion of the enclosure.
There is a cashel (MA082-007----) 175m to NE, and a ringbarrow (MA081-014) visible on the skyline 350m to SW.

Compiled by: Jane O’Shaughnessy

Date of upload: 17 December 2021

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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