LiDAR 1m DTM Hillshade
Satellite Imagery
LiDAR 1m DTM Hillshade
Satellite Imagery
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HER: Cornwall and Scilly MCO6573 (24486)
NMR: SW 72 NE 52 (427053)
SM: 1004272
NGR: SW7968327882
X: 179683 Y: 27882 (OSGB36)
Much eroded promontory fort sited on Rosemullion Head jutting ESE into Atlantic. No banks across neck of headland visible on aerial photographs, but two short stretches of double bank and rock-cut ditch on crest of promontory. Formerly massive ramparts and ditch rising to 3.65m from ditch bottom. No entrance visible. Formerly two round barrows on site, excavated c. 1900. No finds from hillfort. Undated.
Citizen Science: ✗
Reliability of Data: Confirmed
Reliability of Interpretation: Confirmed
X: -565816 Y: 6465345 (EPSG: 3857)
Longitude: -5.082812798261466 Latitude: 50.10998508574746 (EPSG:4326)
Country: England
Current County or Unitary Authority: Cornwall
Historic County: Cornwall
Current Parish/Community/Council/Townland: Mawnan
Much eroded site.
| Extant | ✓ |
| Cropmark | ✗ |
| Likely Destroyed | ✓ |
Coastal grassland and bare rock.
| Woodland | ✗ |
| Commercial Forestry Plantation | ✗ |
| Parkland | ✗ |
| Pasture (Grazing) | ✗ |
| Arable | ✗ |
| Scrub/Bracken | ✗ |
| Bare Outcrop | ✗ |
| Heather/Moorland | ✗ |
| Heath | ✗ |
| Built-up | ✗ |
| Coastal Grassland | ✓ |
| Other | ✗ |
Much eroded promontory fort (aka cliff castle) sited on Rosemullion Head jutting ESE into Atlantic.
| Contour Fort | ✗ |
| Partial Contour Fort | ✗ |
| Promontory Fort | ✓ |
| Hillslope Fort | ✗ |
| Level Terrain Fort | ✗ |
| Marsh Fort | ✗ |
| Multiple Enclosure Fort | ✗ |
Coastal headland location with sea cliffs
| Hilltop | ✗ |
| Coastal Promontory | ✓ |
| Inland Promontory | ✗ |
| Valley Bottom | ✗ |
| Knoll/Hillock/Outcrop | ✗ |
| Ridge | ✗ |
| Cliff/Plateau-edge/Scarp | ✗ |
| Hillslope | ✗ |
| Lowland | ✗ |
| Spur | ✗ |
Dominant Topographic Feature: Coastal headland
| North | ✗ |
| Northeast | ✗ |
| East | ✓ |
| Southeast | ✗ |
| South | ✗ |
| Southwest | ✗ |
| West | ✗ |
| Northwest | ✗ |
| Level | ✗ |
Altitude: 36.0m
N/A
None for hillfort.
Reliability: D - None
| Pre 1200BC | ✗ |
| 1200BC - 800BC | ✗ |
| 800BC - 400BC | ✗ |
| 400BC - AD50 | ✗ |
| AD50 - AD400 | ✗ |
| AD400 - AD 800 | ✗ |
| Post AD800 | ✗ |
| Unknown | ✓ |
| Pre Hillfort: | Two Bronze Age round barrows formerly on site. |
| Post Hillfort: | None |
No investigations recorded of cliff castle, but letter to National Trust from DOE describing site 1972. Round barrows excavated c. 1900. Site visit by HES 2012.
| Other (1972): | Letter to National Trust from DOE describing site |
| Other (2012): | Site visit by HES. |
No finds from hillfort, but pottery from excavation of round barrows in Helston Museum.
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 | ✗ |
No finds from hillfort, but pottery from excavation of round barrows in Helston Museum.
| No Known Finds | ✓ |
| Pottery | ✗ |
| Metal | ✗ |
| Metalworking | ✗ |
| Human Bones | ✗ |
| Animal Bones | ✗ |
| Lithics | ✗ |
| Environmental | ✗ |
| Other | ✗ |
None
| APs Not Checked | ✓ |
| None | ✗ |
| Roundhouses | ✗ |
| Rectangular Structures | ✗ |
| Pits | ✗ |
| Postholes | ✗ |
| Roads/Tracks | ✗ |
| Other | ✗ |
No entrances defined.
| 0: | None |
| 2: | None |
Guard Chambers: ✗
Chevaux de Frise: ✗
No banks across neck of headland visible on aerial photographs, but two short stretches of double bank and rock cut ditch on crest of promontory. Formerly massive ramparts and ditch rising to 3.65m from ditch bottom.
| Area 1: | Noneha. |
| Total: | Noneha. |
Total Footprint Area: Noneha.
None
| ✗ | Area not defined |
| ✗ | None |
| NE Quadrant: | 0 |
| SE Quadrant: | 0 |
| SW Quadrant: | 2 |
| NW Quadrant: | 2 |
| Total: | 2 |
| 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 |
| ✓ | Formerly massive rock-cut ditch. |
Number of Ditches: 1
| ✗ | None |
Unpublished letter from DOE to National Trust.
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