HER:  Archaeological Survey of Ireland SMR Database MA004-003001 (None)
NMR:  MA 004 (None)
SM:  None
NGR:  None
X:  479285  Y:  840956  (IRENET95)
This coastal promontory is situated S of 'Kid Island' at Dunanierin, W of 'Rinroe Point', Co. Mayo. Projecting SW into Broad Haven, the headland is known as 'Dunanierin' from a popular 'legend derived from Iarnain (Ferreolus) Barratt, who built a castle of lime and stone there' (Westropp 1912, 127). It is connected to the mainland on the NE by a narrow neck, where Westropp noted in 1912 that the remains were insignificant, and 'after the great rains of August, 1910, much of the earth-cap of the narrow isthmus has slipped down with some of the headland itself' (ibid., 128). The gatehouse of a medieval fortification remain along with a possible rectangular building on the summit. The remains of the earlier fort comprise a bank and ditch drawn in a shallow arc across the landward approach to the neck. Westropp notes that the bank had been pushed into the ditch, which is 0.6m deep and 1.8m wide. The bank was in a bad state of repair but in places it was 0.9m high. There are no traces of earlier remains within the interior, which has suffered severe coastal erosion.
Citizen Science:  ✗
Reliability of Data:  Confirmed
Reliability of Interpretation:  Confirmed
X:  -1097029  Y:  7227766  (EPSG: 3857)
Longitude:  -9.854780134031024  Latitude:  54.303077535984905  (EPSG:4326)
Country:  Republic of Ireland
Current County or Unitary Authority:  Mayo
Historic County:  Mayo
Current Parish/Community/Council/Townland:  Kilgaligan
The promontory has been badly affected by coastal erosion
| Extant   | ✓ |
| Cropmark   | ✗ |
| Likely Destroyed   | ✗ |
None
| Woodland   | ✗ |
| Commercial Forestry Plantation   | ✗ |
| Parkland   | ✗ |
| Pasture (Grazing)   | ✓ |
| Arable   | ✗ |
| Scrub/Bracken   | ✗ |
| Bare Outcrop   | ✗ |
| Heather/Moorland   | ✗ |
| Heath   | ✗ |
| Built-up   | ✗ |
| Coastal Grassland   | ✗ |
| Other   | ✗ |
This coastal promontory is situated S of 'Kid Island' at Dunanierin, W of 'Rinroe Point', Co. Mayo. Projecting SW into Broad Haven, the headland is defended by the remains of a bank and ditch that are barely perceptible today.
| Contour Fort   | ✗ |
| Partial Contour Fort   | ✗ |
| Promontory Fort   | ✓ |
| Hillslope Fort   | ✗ |
| Level Terrain Fort   | ✗ |
| Marsh Fort   | ✗ |
| Multiple Enclosure Fort   | ✗ |
| Hilltop   | ✗ |
| Coastal Promontory   | ✓ |
| Inland Promontory   | ✗ |
| Valley Bottom   | ✗ |
| Knoll/Hillock/Outcrop   | ✗ |
| Ridge   | ✗ |
| Cliff/Plateau-edge/Scarp   | ✗ |
| Hillslope   | ✗ |
| Lowland   | ✗ |
| Spur   | ✗ |
Dominant Topographic Feature:  SW-facing promontory
| North   | ✗ |
| Northeast   | ✗ |
| East   | ✗ |
| Southeast   | ✗ |
| South   | ✗ |
| Southwest   | ✓ |
| West   | ✗ |
| Northwest   | ✗ |
| Level   | ✗ |
Altitude:  10.0m
N/A
There is no dating available for the site
Reliability:  D - None
| Pre 1200BC   | ✗ |
| 1200BC - 800BC   | ✗ |
| 800BC - 400BC   | ✗ |
| 400BC - AD50   | ✗ |
| AD50 - AD400   | ✗ |
| AD400 - AD 800   | ✗ |
| Post AD800   | ✗ |
| Unknown   | ✓ |
| Pre Hillfort:   | None |
| Post Hillfort:   | Medieval castle |
The site is depicted as 'Dunanierin' on the first edition OS six-inch map (1839). Visited and surveyed by Thomas Westropp in 1912.
| 1st Identified Map Depiction (1839):   | OS six-inch mapping |
| Earthwork Survey (1912):   | Thomas Westropp |
The gatehouse of the medieval fortification remain, along with a possible rectangular building on the summit. There are no traces of earlier remains within the interior of the promontory which has suffered severe coastal erosion.
None
| None   | ✓ |
| Spring   | ✗ |
| Stream   | ✗ |
| Pool   | ✗ |
| Flush   | ✗ |
| Well   | ✗ |
| Other   | ✗ |
None
| No Known Features   | ✗ |
| Round Stone Structures   | ✗ |
| Rectangular Stone Structures   | ✓ |
| Curvilinear Platforms   | ✗ |
| Other Roundhouse Evidence   | ✗ |
| Pits   | ✗ |
| Quarry Hollows   | ✗ |
| Other   | ✗ |
None
| No Known Excavation   | ✓ |
| Pits   | ✗ |
| Postholes   | ✗ |
| Roundhouses   | ✗ |
| Rectangular Structures   | ✗ |
| Roads/Tracks   | ✗ |
| Quarry Hollows   | ✗ |
| Other   | ✗ |
| Nothing Found   | ✗ |
None
| No Known Geophysics   | ✓ |
| Pits   | ✗ |
| Roundhouses   | ✗ |
| Rectangular Structures   | ✗ |
| Roads/Tracks   | ✗ |
| Quarry Hollows   | ✗ |
| Other   | ✗ |
| Nothing Found   | ✗ |
None
| No Known Finds   | ✓ |
| Pottery   | ✗ |
| Metal   | ✗ |
| Metalworking   | ✗ |
| Human Bones   | ✗ |
| Animal Bones   | ✗ |
| Lithics   | ✗ |
| Environmental   | ✗ |
| Other   | ✗ |
NO APPARENT FEATURES
| APs Not Checked   | ✓ |
| None   | ✗ |
| Roundhouses   | ✗ |
| Rectangular Structures   | ✗ |
| Pits   | ✗ |
| Postholes   | ✗ |
| Roads/Tracks   | ✗ |
| Other   | ✗ |
There are no recorded entrances through the earthworks on the landward side
| 0:   | None |
| 2:   | None |
Guard Chambers:  ✗
Chevaux de Frise:  ✗
The remains of the earlier fort lie on the landward side of the neck and are composed of a bank and ditch drawn across the NE approach in a shallow arc. Westropp notes that the bank had been pushed into the ditch, which is 0.6m deep and 1.8m wide. The bank was in a bad state of repair but in places it was 0.9m high.
| Area 1:   | 0.1ha. |
| Total:   | 0.1ha. |
Total Footprint Area:  0.11ha.
None
| ✗   | None |
| ✗   | None |
| NE Quadrant:   | 1 |
| SE Quadrant:   | 0 |
| SW Quadrant:   | 0 |
| NW Quadrant:   | 0 |
| Total:   | 1 |
| Partial Univallate   | ✓ |
| Univallate   | ✗ |
| Partial Bivallate   | ✗ |
| Bivallate   | ✗ |
| Partial Multivallate   | ✗ |
| Multivallate   | ✗ |
| Unknown   | ✗ |
| Partial Univallate   | ✗ |
| Univallate   | ✗ |
| Partial Bivallate   | ✗ |
| Bivallate   | ✗ |
| Partial Multivallate   | ✗ |
| Multivallate   | ✗ |
None
| None   | ✗ |
| Earthen Bank   | ✓ |
| Stone Wall   | ✗ |
| Rubble   | ✗ |
| Wall-walk   | ✗ |
| Evidence of Timber   | ✗ |
| Vitrification   | ✗ |
| Other Burning   | ✗ |
| Palisade   | ✗ |
| Counter Scarp Bank   | ✗ |
| Berm   | ✗ |
| Unfinished   | ✗ |
| Other   | ✗ |
None
| None   | ✗ |
| Earthen Bank   | ✗ |
| Stone Wall   | ✗ |
| Murus Duplex   | ✗ |
| Timber-framed   | ✗ |
| Timber-laced   | ✗ |
| Vitrification   | ✗ |
| Other Burning   | ✗ |
| Palisade   | ✗ |
| Counter Scarp Bank   | ✗ |
| Berm   | ✗ |
| Unfinished   | ✗ |
| No Known Excavation   | ✓ |
| Other   | ✗ |
| ✗   | None |
| ✓   | None |
Number of Ditches:  1
| ✗   | None |
Westropp, T.J. 1912. The promontory forts and early remains of the coasts of County Mayo. Part 1- The north coast (Tirawley and Erris). The Journal of the Royal Society of Antiquaries of Ireland 42, 59-139.
Atlas of Hillforts:
Wikidata:
This work is licensed under CC BY-SA 4.0 and should be cited as:
Lock, Gary and Ralston, Ian. 2024. Atlas of Hillforts of Britain and Ireland. Available at: https://hillforts.arch.ox.ac.uk
Document Version 1.1