Atlas of Hillforts of Britain and Ireland

SC2747 Loch Thurnaig, Ross-shire (Dunan Mor)

Satellite Imagery

Satellite Imagery

HER:  Highland HER MHG7570 (None)

NMR:  NG 88 SE 4 (11985)

SM:  None

NGR:  NG 8627 8333

X:  186270  Y:  883330  (OSGB36)

Summary

This small fortification is situated on the S shore of Loch Thurnaig, where a hammerhead promontory fringed with low cliffs is linked to the mainland by little more than a broad grass-grown storm beach. The defences comprise two elements: an outer wall barring access to the NW end of the hammerhead, cutting across its spine from E to W; and an inner D-shaped enclosure backing onto the lip of the low cliffs on the NE. The outer has been reduced largely to a stony scarp with a few large outer facing-stones along its line and cuts off an area measuring about 43m from NW to SE by 23m transversely (0.09ha); a gap in the wall on the SE is possibly the entrance. The inner enclosure is probably roughly oval, though there is little evidence of the wall on the NE, and measures internally about 21m from N to S by 17m transversely (0.03ha); where best preserved the wall forms a stony bank 2.6m in thickness and 0.5m in height. The relationship between the two elements is not known.

Status

Citizen Science:  ✗

Reliability of Data:  Confirmed

Reliability of Interpretation:  Confirmed

Location

X:  -623091  Y:  7923029  (EPSG: 3857)

Longitude:  -5.597317368771586  Latitude:  57.788550715022595  (EPSG:4326)

Country:  Scotland

Current County or Unitary Authority:  Highland

Historic County:  Ross-shire

Current Parish/Community/Council/Townland:  Gairloch

Monument Condition

None

Condition:
Extant   ✓
Cropmark   ✗
Likely Destroyed   ✗

Land Use

None

Current Use:
Woodland   ✗
Commercial Forestry Plantation   ✗
Parkland   ✗
Pasture (Grazing)   ✓
Arable   ✗
Scrub/Bracken   ✗
Bare Outcrop   ✗
Heather/Moorland   ✓
Heath   ✗
Built-up   ✗
Coastal Grassland   ✗
Other   ✗

Landscape

Hillfort Type

None

Type:
Contour Fort   ✗
Partial Contour Fort   ✗
Promontory Fort   ✓
Hillslope Fort   ✗
Level Terrain Fort   ✗
Marsh Fort   ✗
Multiple Enclosure Fort   ✗

Topographic Position

Position:
Hilltop   ✗
Coastal Promontory   ✓
Inland Promontory   ✗
Valley Bottom   ✗
Knoll/Hillock/Outcrop   ✗
Ridge   ✗
Cliff/Plateau-edge/Scarp   ✗
Hillslope   ✗
Lowland   ✗
Spur   ✗

Dominant Topographic Feature:  None

Aspect:
North   ✗
Northeast   ✗
East   ✗
Southeast   ✗
South   ✗
Southwest   ✗
West   ✗
Northwest   ✗
Level   ✓

Altitude:  10.0m

Boundary

N/A


Dating Evidence

In the absence of excavation, there are neither stratified artefacts nor radiocarbon dates to provide a chronology for the defences.

Reliability:  D - None

Principal Activity:
Pre 1200BC   ✗
1200BC - 800BC   ✗
800BC - 400BC   ✗
400BC - AD50   ✗
AD50 - AD400   ✗
AD400 - AD 800   ✗
Post AD800   ✗
Unknown   ✓

Other Activity:
Pre Hillfort:   None
Post Hillfort:   None

Evidence:No related records

Investigation History

None

Investigations:
1st Identified Written Reference (1886):   Noted (Dixon 1886, 98)
1st Identified Map Depiction (1965):   Visited by the OS
Other (1994):   Description from RCAHMS fieldwork
Other (1998):   Visited by Jill Harden for the National Trust for Scotland

Interior Features

Featureless apart from the dun-like structure

Water Source

None

Source:
None   ✓
Spring   ✗
Stream   ✗
Pool   ✗
Flush   ✗
Well   ✗
Other   ✗

Surface

None

Interior Features (Surface):
No Known Features   ✓
Round Stone Structures   ✗
Rectangular Stone Structures   ✗
Curvilinear Platforms   ✗
Other Roundhouse Evidence   ✗
Pits   ✗
Quarry Hollows   ✗
Other   ✗

Excavation

None

Interior Features (Excavation):
No Known Excavation   ✓
Pits   ✗
Postholes   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Roads/Tracks   ✗
Quarry Hollows   ✗
Other   ✗
Nothing Found   ✗

Geophysics

None

Interior Features (Geophysics):
No Known Geophysics   ✓
Pits   ✗
Roundhouses   ✗
Rectangular Structures   ✗
Roads/Tracks   ✗
Quarry Hollows   ✗
Other   ✗
Nothing Found   ✗

Finds

None

Interior (Finds):
No Known Finds   ✓
Pottery   ✗
Metal   ✗
Metalworking   ✗
Human Bones   ✗
Animal Bones   ✗
Lithics   ✗
Environmental   ✗
Other   ✗

Aerial

NO APPARENT FEATURES

Interior Features (Aerial):
APs Not Checked   ✗
None   ✓
Roundhouses   ✗
Rectangular Structures   ✗
Pits   ✗
Postholes   ✗
Roads/Tracks   ✗
Other   ✗

Entrances

See main summary

Total Number of Breaks Through Ramparts:  
1:   Incomplete circuits

Number of Possible Original Entrances:  
2:   None

Guard Chambers:  ✗

Chevaux de Frise:  ✗

Entrances:
1. Simple Gap (South east):   None

Enclosing Works

Single wall cutting off a promontory and an inner enclosure

Enclosed Area:
Area 1:   0.09ha.
Total:   0.09ha.

Total Footprint Area:  Noneha.

Ramparts

None

Multi-period Enclosure System:
✗   This measurement is for the promontory enclosure within which the dun-like structure lies

Ramparts Form a Continuous Circuit:
✗   This analysis discounts the wall of the dun-like structure

Number of Ramparts:  
NE Quadrant:   0
SE Quadrant:   1
SW Quadrant:   1
NW Quadrant:   0
Total:   1

Morphology

Current Morphology:
Partial Univallate   ✓
Univallate   ✗
Partial Bivallate   ✗
Bivallate   ✗
Partial Multivallate   ✗
Multivallate   ✗
Unknown   ✗

Detailed Morphology:
Partial Univallate   ✗
Univallate   ✗
Partial Bivallate   ✗
Bivallate   ✗
Partial Multivallate   ✗
Multivallate   ✗

Surface Evidence

Reduced to scarp

Enclosing Works (Surface):
None   ✗
Earthen Bank   ✗
Stone Wall   ✓
Rubble   ✗
Wall-walk   ✗
Evidence of Timber   ✗
Vitrification   ✗
Other Burning   ✗
Palisade   ✗
Counter Scarp Bank   ✗
Berm   ✗
Unfinished   ✗
Other   ✗

Excavated Evidence

None

Enclosing Works (Excavation):
None   ✗
Earthen Bank   ✗
Stone Wall   ✗
Murus Duplex   ✗
Timber-framed   ✗
Timber-laced   ✗
Vitrification   ✗
Other Burning   ✗
Palisade   ✗
Counter Scarp Bank   ✗
Berm   ✗
Unfinished   ✗
No Known Excavation   ✓
Other   ✗

Other

Gang Working:
✗   None

Ditches:
✗   None

Number of Ditches:  None

Annex:
✗   None

References

Dixon, J H (1886) Gairloch in north west Ross-shire: its records, traditions inhabitants and natural history with a guide to Gairloch and Loch Maree. Edinburgh



Terms of Use

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


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