Atlas of Hillforts of Britain and Ireland

SC3784 Costerton, East Lothian

LiDAR 1m DTM Hillshade

LiDAR 1m DTM Hillshade

Satellite Imagery

Satellite Imagery

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HER:  East Lothian Council MEL435 (None)

NMR:  NT 46 SW 39 (54827)

SM:  5736

NGR:  NT 4452 6321

X:  344528  Y:  663217  (OSGB36)

Summary

Cropmarks have revealed the site of a complex fort on promontory descending towards a minor confluence on the SE bank of the gully of the Keith Water to the NE of Costerton Mains. No fewer than three ditches bar access to the promontory from the SW, though the way the medial one converges on the inner on the NW, almost certainly forming one side of an entrance way along the NW margin of the promontory, clearly demonstrates that the ditch-system represents at least two phases of construction. The Inner and outer ditches, between 4m and 5m in breadth and set some 17m apart, cut off an area within the modern field measuring at least 135m in length, but with the gently shelving character of the promontory the interior may have extended a further 65m down towards its tip on the NNE. On the SSW, immediately to the rear of the defences, the interior is at least 100m broad, tapering to perhaps 50m where the ground descends outside the modern field; thus the interior extends to at least 0.8ha within the field, and up to 1.2ha including the slope to the NE. In this phase the ditches spring from the lip of the promontory on the NW, possibly indicating that the entrance was along the SE margin where the inner possibly terminates just short of the edge of the field. The precise sequence between these defences and the medial ditch cannot be determined from the photographs, but the latter intersects two probable palisade trenches set concentrically outside the inner ditch, while traces of another two are visible on some of the photographs between the medial and outer ditches. Again any sequence between these and the rest of the defences is unknown, though none of them can be contemporary with the medial ditch. The area enclosed by this ditch is evidently a little larger and its inward turn on the NW suggests a more elaborate entrance, which would have exposed the approaching visitor's right side. Several linear marks are visible within the interior, one of which has been interpreted as a possible souterrain, but the cropmarks also suggest the presence of a shallow depression filled with deeper sediments immediately to the rear of the inner defences at the SW end.

Status

Citizen Science:  ✗

Reliability of Data:  Confirmed

Reliability of Interpretation:  Confirmed

Location

X:  -321466  Y:  7530393  (EPSG: 3857)

Longitude:  -2.8877765062452365  Latitude:  55.858976389100775  (EPSG:4326)

Country:  Scotland

Current County or Unitary Authority:  East Lothian

Historic County:  East Lothian

Current Parish/Community/Council/Townland:  Humbie

Monument Condition

None

Condition:
Extant   ✗
Cropmark   ✓
Likely Destroyed   ✗

Land Use

Plantations along the flanks of the promontory

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:  167.0m

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:   Ploughed flat

Evidence:No related records

Investigation History

Photographed by CUCAP in 1977 and 1981, and by RCAHMS Aerial Survey Programme in 1978, 1979, 1981, 1982, 1983, 1988, 1990 and 1993

Investigations:
1st Identified Written Reference (1977):   First photographed by CUCAP
Other (1993):   Scheduled

Interior Features

A curved linear feature is possibly a souterrain, but there is also probably a shallow depression filled with deeper sediments immediately to the rear of the defences, which may have preserved the remains of structures

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

A curved linear feature is possibly a souterrain.

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:  
2:   None

Number of Possible Original Entrances:  
2:   In different phases the entrances may have been placed on both margins of the promontory

Guard Chambers:  ✗

Chevaux de Frise:  ✗

Entrances:
1. Passage-way/Corridor (South west):   The medial ditch turns in parallel to the margin of the promontory. Exposes right side
2. Simple Gap (South west):   The inner and medial ditches appear to terminate short of the margin of the promontory, though this may be an edge effect in the crop, and the outer ditch turns slightly inwards

Enclosing Works

Three ditches, presumably with upcast ramparts, representing at least two phases of construction, and also three or four possible palisade trenches, all cutting across the neck of a promontory. The interior measurement is a minimum area within the inner ditch

Enclosed Area:
Area 1:   0.8ha.
Total:   0.8ha.

Total Footprint Area:  1.5ha.

Ramparts

None

Multi-period Enclosure System:
✓   The medial ditch converges on the inner ditch on the NW

Ramparts Form a Continuous Circuit:
✗   None

Number of Ramparts:  
NE Quadrant:   0
SE Quadrant:   0
SW Quadrant:   3
NW Quadrant:   0
Total:   3

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

Not visible on the surface; palisade trenches between the defensive ditches are revealed only by cropmarks

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:  3

Annex:
✗   None

References

No related records



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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