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Sites and Monuments Record · Ireland

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Glenballythomas, County Roscommon, Ireland

The record

Townland
Glenballythomas
County
Roscommon
Country
Ireland
First-edition OS map
Indicated
Latest-edition OS map
Hachured
Coordinates
53.79697, -8.29103
SMR number
RO022-057049-

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 4 historical map sheets, the earliest the 1790 "Composite: Ireland." (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 slight rise at the E edge of the Rathcroghan plateau. Described as a central mound (diam. c. 11m) surrounded by a berm (Wth c. 3.5m) and outer bank (Wth c. 1.8m; H c. 0.75m) (Knox, 1914, 35, ring No. 3). It is visible as a slight grass-covered depression (diam. 23.7m N-S; 22m E-W) defined by a slight bank (Wth c. 4m - c. 7m; int. H 0.1m; max. ext. H 0.4m) E-NW, and a scarp (max. H 0.3m) down to the centre elsewhere. (Herity 1983, 131; 1984, 131, Glenballythomas 12; Waddell 1983, 41, No. 48)

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

Compiled by: Michael Moore

Date of upload: 24 August 2010

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

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.

Herity, M. 1984 A survey of the royal site of Cruachain in Connacht, 2. Prehistoric monuments. Journal of the Royal Society of Antiquaries of Ireland 114, 125-35.

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

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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