Llanddewi Enclosure, Port Eynon

Has been described as a Rejected Timber Castle (Ringwork)

There are earthwork remains

NameLlanddewi Enclosure, Port Eynon
Alternative Names
Historic CountryGlamorgan
Modern AuthoritySwansea
1974 AuthorityWest Glamorgan
CommunityPort Eynon

A sub-rectangular enclosure, c.38m by 46m, defined by a bank and ditch, set on level ground. The ditch appears to connect to a dried-out pond to the North. (Coflein)

he monument comprises the remains of a prehistoric rectilinear earthwork enclosure. It measures 64.0m east-west by 66.0m transversely and is sub-square in plan, the west side being slightly curved, but the other sides straight with rounded corners. The outer bank is approximately 10.0m wide and less than 0.2m high internally. The ditch, 10.0m wide and up to 0.3m deep, with the bank standing 0.7m above the base of the ditch. The entrance was in the east half of the north side. The site has been much reduced and spread by ploughing. (Scheduling Report)

Gatehouse Comments

Spurgeon writes was accepted as Iron Age by RCAHMW.

- Philip Davis

This site is a scheduled monument protected by law

Not Listed

The National Monument Record (Coflein) number(s)
County Historic Environment Record
OS Map Grid ReferenceSS459889
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  • RCAHMW, 1976, An Inventory of the Ancient Monuments in Glamorgan Vol. 1 Part 2 (London: HMSO) no. 643 p. 31


  • Spurgeon, C.J. with Roberts, D.J. and Thomas, H.J., 1999, 'Supposed Castles in Glamorgan; A review' Archaeology in Wales Vol. 39 27-40