Sites and Monuments Record · Ireland
Ringfort - rath
Glenballythomas, County Roscommon, Ireland
The record
- Townland
- Glenballythomas
- County
- Roscommon
- Country
- Ireland
- First-edition OS map
- Embanked enclosure
- Latest-edition OS map
- Hachured
- Coordinates
- 53.79904, -8.30372
- SMR number
- RO022-057022-
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 the Rathcroghan plateau. Circular grass-covered area (diam. 43.8m E-W; 40m N-S) defined by an earthen bank (Wth 4-5m; int. H 0.7m at W to 1. 6m at N; ext. H 1.2-1.6m) and an outer flat-bottomed fosse (Wth of top 5m at S to 8.2m at N; Wth of base 1.5m at S to 4.5m at N; D 0.4-0.5m). It is circumscribed by relict field banks NW-E-S. The entrance (Wth 1.4m) and slight causeway (Wth 2.6m) are at SE. Barrows (RO022-057017-; RO022-057020-) are c. 110m and c. 60m to the N and NNE respectively, and barrows (RO022-057074-; RO022-057075-; RO022-057076-) are c. 75m - c. 110m to the S. (Knox 1914a, 31-2, Rath 1; Herity 1983, 132, Glenballythomas 11; 1987a, fig. 27, Glenballythomas 1; Waddell 1983, 29, No. 12))
This is a National Monument in state ownership: No. 473
See the attached aerial image taken from the N.
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.
Knox, H.T. 1914 Ruins of Cruachain Ai. Journal of the Royal Society of Antiquaries of Ireland 44, 1-50.
Herity, M. 1987a A survey of the royal site of Cruachain in Connaught. 3. Ringforts and ecclesiastical sites. Journal of the Royal Society of Antiquaries of Ireland 117, 125-41.
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
- Barrow - ring-barrowunder 1 mi
- Barrow - ring-barrowunder 1 mi
- Barrow - ring-barrowunder 1 mi
- Barrow - ring-barrowunder 1 mi
Other entries of the same register within about three miles of this one, by straight line.