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Sites and Monuments Record · Ireland

Ringfort - unclassified

Treanybrogaun, County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Ringfort - unclassified, Treanybrogaun, 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
Treanybrogaun
County
Mayo
Country
Ireland
First-edition OS map
Trean Fort
Latest-edition OS map
Trean Fort (Site of)
Coordinates
53.93470, -9.18753
SMR number
MA060-024----

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

Situated on a prominent hill affording panoramic views over undulating pastureland, with a broad expanse of bog visible to E-SE. Ground falls away towards a stream located 30m to W. This possible ringfort is named ‘Trean Fort’ on the 1838 OS 6-inch map, and is shown as a circular enclosure (diam. 25-30m), with a road on a roughly NE−SW axis passing through its centre. On the 1929 OS 6-inch edition, it is annotated as ‘Trean Fort (site of)’ and is indicated as a polygonal arrangement of field fences, which flank the E and W sides of the road. When inspected in 1996, these field fences were still intact, enclosing a subcircular area (max. diam. 39.5m NNE-SSW), which probably roughly preserved the outline of the original enclosure. Since that time, the field fences have been leveled. There is no visible trace of the W half of the enclosure in the field to W of the road, and farm buildings now overlie the part of the enclosure which lies to E of the road.

Compiled by: Jane O'Shaughnessy

Date of upload: 28 November 2018

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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