Sites and Monuments Record · Ireland
Souterrain
Glenballythomas, County Roscommon, Ireland
The record
- Townland
- Glenballythomas
- County
- Roscommon
- Country
- Ireland
- First-edition OS map
- Grave
- Latest-edition OS map
- Cave
- Coordinates
- 53.79501, -8.30761
- SMR number
- RO022-057036-
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
In a quarry (diam. 4m; D 1m) at the W edge of the inner enclosure of Relig na Ri (RO022-057035-). Investigations of the interior of the concentric enclosure had been undertaken by Charles O'Conor of Mount Allen in the late 18th century when the souterrain was opened, The opening (Wth 1.45m; H 0.85m) leads to a blocked lintelled passage (L 4m plus).
This is a National Monument in state ownership: No. 473
Compiled by: Michael Moore
Date of upload: 24 August 2010
Nearby in the register
- Concentric enclosureunder 1 mi
- House - indeterminate dateunder 1 mi
- Enclosureunder 1 mi
- House - indeterminate dateunder 1 mi
Other entries of the same register within about three miles of this one, by straight line.