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Sites and Monuments Record · Ireland

Mound

Porteen And Ballyrevagh West, County Roscommon, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Mound, Porteen And Ballyrevagh West, 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
Porteen And Ballyrevagh West
County
Roscommon
Country
Ireland
First-edition OS map
Not indicated
Latest-edition OS map
Not indicated
Coordinates
53.41978, -8.25653
SMR number
RO050-044001-

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

Visible on aerial photographs (ACAP: V208 27-8). Situated at the N edge of a heart-shaped island (max. dims 100m N-S; 70m E-W towards N) which was in a pool (diam. c. 250m) on a N-S section of the River Suck, but is now attached to the E bank. This is a rectangular flat-topped and grass-covered mound (dims of top 23.2m E-W; 21.6m N-S; dims of base 30.4m E-W; 30.5m N-S; H 1.6-1.8m) defined by a rounded fosse (Wth of top 10.2-11.7m; Wth of base 4-4.4m; D 0.8-1m) SE-S-NW but open to the river elsewhere. A shallower fosse (Wth of top 7-10m; Wth of base 1.3-3m; D 0.4-0.5m) extends S (L c. 20m) and curves E (L c. 8m), cutting off a rectangular portion of the island (dims 18-20m N-S; 14-18m E-W). A mound (RO050-044002-) is situated at the curve of this fosse. The island may represent a Longphort settlement.

See the attached aerial images taken from SW (020) and NE (028).

Compiled by: Michael Moore

Date of upload: 24 August 2010

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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