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Sites and Monuments Record · Ireland

Ringfort - cashel

Knocknaganny, County Mayo, Ireland

Ordnance Survey six-inch map, 2nd edition (1888–1915) covering the location of Ringfort - cashel, Knocknaganny, 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
Knocknaganny
County
Mayo
Country
Ireland
First-edition OS map
Indicated
Latest-edition OS map
Hachured
Coordinates
53.61013, -9.09716
SMR number
MA119-040001-

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 1753 map "Mappa geographica Regni Hiberniae" (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1753 · Mappa geographica Regni Hiberniae (David Rumsey Map Collection, Stanford Libraries)
  • 1790 · Composite: 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 on an elevation at W end of a small E−W ridge, in rolling limestone grassland, broken in parts by expanses of karst and high rock-outcropping. A seam of natural rock outcropping along the top of the ridge on its N edge marks the break of slope. From here ground falls into a small, narrow valley, with a modern field wall built along the top of the N limits of the valley. There are excellent views in all directions. A wet area/possible turlough is evident to S, marked ‘Liable to flood’ on the OS 6-inch map.
This cashel is recorded in an aerial photograph (SMR file: CUPAP AYR 87 & 88 & 89).
Circular area (diam. c. 30m) enclosed by a wall which is reduced now to a broad, low grass-covered stone bank (Wth c. 3m). The enclosing wall coincides on its N arc with the break of slope of the ridge where ground falls into the small valley. A wall (H c. 0.8m) dating to the modern era overlies the cashel wall; it is roughly-built of limestone boulders, one boulder wide. It is built along the inner edge of the cashel wall on the E half of the circuit and on the outer edge of the cashel wall on the W half.
The interior of the cashel is densely planted with conifers, making inspection difficult. The interior surface is uneven with several rises and dips, occasional boulders and small heaps of loose stones, all covered with a thick carpet of pine needles. In the NW quadrant is rectilinear depression (6m NW−SE; c. 3m NE−SW; D 0.4m), possibly the remains of a house (MA119-040002-).
The CUCAP photograph also recorded a field system (MA119-040003-) surrounding the cashel and extending to E and S of it, associated with a cluster of rectangular vernacular houses. The field walls and houses were subsequently levelled during reclamation works.

Compiled by: Jane O’Shaughnessy

Date of upload: 10 August 2023

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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