Atlas of Hillforts of Britain and Ireland

SC1149 Arran, An Cnap, Buteshire

LiDAR 1m DTM Hillshade

LiDAR 1m DTM Hillshade

Satellite Imagery

Satellite Imagery

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HER:  The West of Scotland Archaeology Service 4801 (None)

NMR:  NS 04 NW 6 (40219)

SM:  5535

NGR:  NS 0172 4606

X:  201720  Y:  646060  (OSGB36)

Summary

This fort is situated on a hillock midway between the points where Glen Sannox and North Glen Sannox enter the sea. Pear-shaped on plan, its E flank is formed by the cliff-edge that was once the shoreline, while elsewhere two ramparts can be traced in an arc from the NW side of the hillock round to the S to enclose an area measuring about 62m from N to S by 45m transversely (0.21ha). The ramparts appear relatively flimsy, having been largely reduced to two roughly concentric scarps 1m high and set between 3.5m and 5.5m apart, but the remains of an outer face can be traced for a distance of 15m along the outer on the N, and vitrifaction has been observed in the core of the inner. The position of the entrance is unknown, though the ramparts peter out short of the cliff-edge on the SE, and the interior is featureless. A trench was excavated across the line of the defences on the S, not only discovered vitrifaction in the core of the inner rampart, but also disclosed evidence of burning in the outer (Paton 1928, 241).

Status

Citizen Science:  ✗

Reliability of Data:  Confirmed

Reliability of Interpretation:  Confirmed

Location

X:  -573774  Y:  7492504  (EPSG: 3857)

Longitude:  -5.15429922658855  Latitude:  55.66748524413497  (EPSG:4326)

Country:  Scotland

Current County or Unitary Authority:  North Ayrshire

Historic County:  Buteshire

Current Parish/Community/Council/Townland:  Kilbride

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:  39.0m

Boundary

N/A


Dating Evidence

In the absence of modern 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

Under dense woodland since at least the middle of the 19th century, the fort was first noted about 1928 by V A N Paton, who also excavated a trench across the defences on the S (1928, 240-1). It was visited by the OS in 1977 and Scheduled in 1993.

Investigations:
Excavation (1928):   Discovery (Paton 1828, 240-1)
1st Identified Map Depiction (1977):   OS 1:10,000
Other (1993):   Scheduled

Interior Features

Featureless

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:   None

Number of Possible Original Entrances:  
2:   None observed though the OS observe that the ramparts peter out short of the cliff-edge on the SE and there is a dip in the crests of both on the W

Guard Chambers:  ✗

Chevaux de Frise:  ✗

Entrances:No related records

Enclosing Works

Two ramparts around one side

Enclosed Area:
Area 1:   0.21ha.
Total:   0.21ha.

Total Footprint Area:  Noneha.

Ramparts

None

Multi-period Enclosure System:
✗   None

Ramparts Form a Continuous Circuit:
✗   None

Number of Ramparts:  
NE Quadrant:   0
SE Quadrant:   0
SW Quadrant:   2
NW Quadrant:   2
Total:   2

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

None

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

Paton, V A N (1928) 'Notes on a vitrified fort at "An-Cnap", Sannox, Arran, and vitrified stones at Mid Sannox, Arran, and at Pennymore, Furnace, Loch Fyne'. Proc Soc Antiq Scot 62 (1927-8), 239-45



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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