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 LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
Shown on 4 historical map sheets, the earliest the 1790 "Composite: Ireland." (David Rumsey Map Collection, Stanford Libraries).
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
References
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
- House - indeterminate dateunder 1 mi
- Ringfort - rathunder 1 mi
- House - indeterminate dateunder 1 mi
- Earthworkunder 1 mi
Other entries of the same register within about three miles of this one, by straight line.