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Sites and Monuments Record · Ireland

Promontory fort - coastal

Béal Deirg Mór, County Mayo, Ireland

The record

Townland
Béal Deirg Mór
County
Mayo
Country
Ireland
Latest-edition OS map
Not indicated
Coordinates
54.30985, -9.51599
SMR number
MA006-009----

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 4 historical map sheets, the earliest the 1753 "Mappa geographica Regni Hiberniae" (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

Situated in an area of hilly fertile pastureland and sheep grazing. The W facing headland is overlooked by higher ground inland and is surrounded by sheer cliffs. A stream runs down the cliff face to the E. A roughly circular area measuring 45m E-W by 40m N-S is joined to the mainland by an 8m wide neck of land. This neck shows faint traces of a fosse with a revetted earth and stone bank lying outside the narrowest point of the isthmus. The interior slopes gently down to the NE and is featureless. Recent slippage of material has taken place along the western edge of the garth. One of three promontory forts (MA006-008----, MA 006-010----) along N facing stretch of coastline.

These descriptions are derived from the MA thesis of Markus Casey 1999 The coastal promontory forts of Ireland. A survey of counties Sligo, Mayo, Galway and Clare. Unpublished MA thesis, National University of Ireland, Galway. In this instance the entry has been revised and updated in the light of recent research.

Date of upload: 5 December 2018

Casey, M. 1999 The coastal promontory forts of Ireland. A survey of counties Sligo, Mayo, Galway and Clare. Unpublished MA thesis, National University of Ireland, Galway.

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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