Prehistoric Regular Field System and Hut Circle on Great Ganilly

Isles of Scilly

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Tagged With

Field System

Data Source

English Heritage

County Council (Unitary)

Isles Of Scilly


St Martin's

Parliamentary Constituency

St Ives

Grid Reference

SV947947 (94710, 14404)

WGS84 Coordinates

49.951, -6.25659

Nearest Postcode

TR25 0QL

The nearest postcode is an aid to location, and does not necessarily reflect the actual address of the monument. Most scheduled monuments are not occupied buildings and have no postal address or postcode of their own. In rural and coastal areas, the nearest geocodable postal address may be several miles away.


A prehistoric regular field system extending across the central part of Great Ganilly, the largest of the uninhabited Eastern Isles, south east of St Martin's in the Isles of Scilly. The field system incorporates a small hut circle near the centre of its surviving extent. The field system is visible up to about the 25 metre contour level on the SSW-facing flanks of the island's north west hill, east of Holmbush Carn, and extends across the island's low central saddle to the base of an interglacial wave-cut bench along the foot of the northern flank of the island's south east hill. The field system is defined by turf-covered rubble banks, generally 2-3 metres wide and 0.3 metres high. Where they follow the contour the banks are substantially enlarged, often over 4 metres wide and 1.5 metres high, by a processing called lynchetting. The area of the field system is divided by near-parallel rubble banks running north east-south west, almost directly downslope and 15-20 metres apart on the islands north west hill but with larger intervals, up to 90 metres wide, evident among the banks across the saddle and on the south east hill. The field system conatains at least one small hut circle, near the south east tip of the north west hill. The hut circle is ovoid, its levelled interior measuring 3.1 metres east-west by 2.2 metres north-south, defined by a rubble wall up to 0.7 metres wide and 0.6 metres high, but merging with the terrace scarp to the south. Scheduled.

English Heritage

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