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Sites and Monuments Record · Ireland

Enclosure

Glenballythomas, County Roscommon, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Enclosure, Glenballythomas, County Roscommon, 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
Glenballythomas
County
Roscommon
Country
Ireland
First-edition OS map
Not indicated
Latest-edition OS map
Hachured
Coordinates
53.79467, -8.30626
SMR number
RO022-057038-

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

On a rise of the S-facing slope of Rachcroghan ridge. A rectangular enclosure or annexe (dims 27.5m NE-SW; 17.7m NW-SE) defined by scarps (H 0.3-0.8m) is situated on a slight height and attached to outside of the perimeter of the outer enclosure of Relig na Ri (RO022-057035-) at SE, but its perimeter at SW is overlain by a N-S field bank. (Knox, 1914a, 35-6; Herity 1983, 132, Glenballythomas 25; Waddell 1983, 29-31; 1988, 8-10, No. 13)

This is a National Monument in state ownership: No. 473

Compiled by: Michael Moore

Date of upload: 24 August 2010

References

Waddell, J. 1983 Rathcroghan - a royal site in Connaught. Journal of Irish Archaeology 1, 21-46.

Waddell, J. 1988 Rathcroghan in Connacht. Emania 5, 5-18.

Knox, H.T. 1914 Ruins of Cruachain Ai. Journal of the Royal Society of Antiquaries of Ireland 44, 1-50.

Herity, M. 1983 A survey of the royal site of Cruachain in Connacht, 1. Introduction, the monuments and topography. Journal of the Royal Society of Antiquaries of Ireland 113, 121-42.

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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