More information : [SW 48483500] Castle-an-Dinas [NR] (Hill Castle) [NR] (1) "Castle-an-Dinas, in Ludgvan...consisted orginally of two very thick concentric uncemented stone walls, with an annular space of about 30 feet between them. The outer wall is more than 12 feet thick. Of the inner wall nothing now remains but its foundations, which are about 12 feet thick, and enclose an area about 180 feet in diameter...The two great walls of Castle-an-Dinas...were surrounded, at the distance of 40 or 50 feet, by an external vallum of earth and stones; and exterior to all these is another strong wall towards the west, reaching nearly half round the castle. In Borlase's time (a) there were many circular enclosures within the central area, each about 7 yards in diameter, formed by walls only two or three feet high." (2)
Castle-an-Dinas, Ludgvan, is scheduled as an ancient monument. (3) Castle-an-Dinas occupies the summit of a broad hill. The situation offers no great natural defence, but there is a wide view of the surrounding country. Of the four concentric ramparts the inner one is the least preserved. Its low tumbled wall is extant only in the south and south-east, though foundations can be traced completing the enclosure. Outside this is a thick ruined wall, now a tumble of loose stones but with the remains of a vertical outer retaining wall visible in places. The third rampart is of earth and stones, utilised in part as a modern field boundary. The fourth and outermost bank extends from the south-west to the north and for much of its length is accompanied by an outer ditch. It is the strongest of the four defences and faces the area most vulnerable of approach. There is no evidence of continuation around the perimeter. It is broken in two places: in the southwest where a gap and out-turning may be the result of earth digging, and in the west at SW 4842 3501. At this point there is a distinct bank out-turned from the next inner defence and is suggestive of an original entrance although mutilation makes its precise form hard to define. There are no complementary gaps in the inner ramparts; those which occur in the south east are modern to accommodate the 18th century tower and the track leading to it. None of the internal features mentioned in (2) remain. A 25" survey has been made. (4) No change from survey of 30.9.60. (5) Castle-an-Dinas (NAT) Hill Fort (NR) (6) Circular Iron Age hillfort, almost certainly of two phases. There are three complete ramparts and one incomplete, of stone and earth construction. Innermost diameter about 200ft. Two stone weights, two swords and a ring have been found at Castle an Dinas; the weights now in Truro Museum. (7-8)
SW 485 350. Castle-an-Dinas, Ludgvan. Listed in gazetteer as a multivallate hillfort with widely spaced ramparts covering 0.45ha (total area 1.17ha). (9)
Additional reference with plan. (10)
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