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Sites and Monuments Record · Ireland

Structure

Rathfran, County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Structure, Rathfran, County Mayo, 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
Rathfran
County
Mayo
Country
Ireland
First-edition OS map
Not indicated
Latest-edition OS map
Indicated
Coordinates
54.23677, -9.24455
SMR number
MA015-031008-

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)
  • 1841 · 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

Located in a small bay of intertidal mudflats created by a bend in the River Moy, in the upper reaches of its estuary. It is directly opposite Rathfran Abbey (MA015-031005-), which stands 100m to N on the N bank of the river.
This enigmatic structure is not indicated on the 1838 OS 6-inch map; it is shown as a small island on the 1922 edition. It is evident as an oblong or subrectangular, grass-covered mound (8-9m N–S; 3.5-4m E–W; H c. 1.2m), with sloping sides that rise to a narrow top (Wth 1.5m E–W). It is covered by a thick mantle of grass, but stones can be glimpsed intermittently around the base of the mound. These appear to be deliberately set, possibly part of a wall or revetment. A flat apron of firm, stony grass-covered ground (Wth 5-8m) encircles the base of the mound, but beyond that is a semi-flooded area of salt marsh/mudflats infiltrated by a network of narrow water channels, so that the structure effectively stands as a small raised island, c. 40-70m from the dry mainland river bank.
The function and antiquity of this structure is unknown; it is possible that it is contemporary with the occupation of the monastery, perhaps serving as boat moorings or a fishing platform.

Attached images:
MA015-031008-_01.JPG viewed from S
MA015-031008-_02.JPG viewed from E
MA015-031008-_03.JPG viewed from NW
MA015-031008-_04.JPG viewed from N

Compiled by: Jane O’Shaughnessy

Date of upload: 31 December 2019

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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