Castell Coch (Tongwynlais)

Castell Coch (often anglicised as Castle Coch, the 'Red Castle') occupies a prominent motte above Tongwynlais in the Taff Valley north of Cardiff. The site has Norman origins (castle built after 1081) and a 13th‑century stone fortification attributed to Gilbert de Clare (c.1267–1277). The medieval castle may have been destroyed in the rebellion of 1314 and later fell into ruin. In the 18th century the ruined site became part of the Bute estates; the visible structure today is a 19th‑century Gothic Revival rebuilding designed by architect William Burges for Lord Bute, widely described in guides and architectural histories as a 'fairy‑tale' castellated villa. The supplied source set (Wikipedia, Wikidata, Cadw, visitor guides, archival image listings and regional photo pages) documents the site's multi‑period history, architectural significance, and current role as a Cadw‑maintained visitor attraction (postal area CF15 7JS cited in visitor material). These sources provide photographic and archival references and practical visitor information but do not report any supernatural incidents. Reported phenomena: the provided research notes contain no documentary evidence of apparitions, hauntings, poltergeist activity, named spirits, or folkloric curses associated with Castell Coch. Any claim of paranormal activity is therefore absent from the cited materials and remains unsubstantiated within this source set.