Has been described as a Rejected Timber Castle (Other/Unknown)

There are earthwork remains

Alternative NamesTreryn Dinas; Treen Dinas; Giant's Castle
Historic CountryCornwall
Modern AuthorityCornwall
1974 AuthorityCornwall
Civil ParishSt Levan

Included by Thompson in his list of castles mentioned by Leland quoted as 'ruins…manifesta adhuc exstant vestigia' This appears to be a reference to the large Iron Age promontory hillfort Treryn Dinas.

The line of entrenchment here are most conspicuous and interesting. (VCH referencing Leland)

This site is a scheduled monument protected by law

Not Listed

Historic England (PastScape) Defra or Monument number(s)
County Historic Environment Record
OS Map Grid ReferenceSW397218
HyperLink HyperLink HyperLink

No photos available. If you can provide pictures please contact Castlefacts

Most of the sites or buildings recorded in this web site are NOT open to the public and permission to visit a site must always be sought from the landowner or tenant.

Calculate Print


  • Thompson, M.W., 1987, The Decline of the Castle (Cambridge University Press) p. 177
  • Harvey, Alfred, 1911, Castles and Walled Towns of England (London: Methuen and Co)
  • Cornish, J.B., 1906, 'Ancient Earthworks' in Page, Wm (ed), VCH Cornwall Vol. 1 p. 455,460 online copy
  • Lysons, D. and S., 1814, Magna Britannia Vol. 3 Cornwall online transcription


  • Chandler, John, 1993, John Leland's Itinerary: travels in Tudor England  (Sutton Publishing) p. 68
  • Toulmin-Smith, Lucy (ed), 1907, The itinerary of John Leland in or about the years 1535-1543 (London: Bell and Sons) Vol. 1 p. 89 online copy


  • Cotton, M.A., 1958-9, Proceedings of the West Cornwall Field Club Vol. 2 p. 116-7