This small disused quarry is a nationally
important Ordovician site. The shelly faunas of the Arenig age
which are found here are unrivalled by those of any other British
Managing this site
The site is under private ownership. The special features of
this SSSI and CCW’s views about site management have been
summarised in a Site Management Statement, addressed to the owners
and managers of the land. The statement can be found in the
resource section below.
There is no public access to this site.
Dan-Lan-y-castell means ‘under the castle bank’ with dan
‘under’; lan is ‘bank, hillside’; y is ‘the’; castell is ‘castle,
stronghold; rock’. The irregularly shaped defended Iron Age
enclosure occupies a rocky outcrop on the crest of a ridge at
c.120m above sea level. The defences consist of a low earthwork
bank that at its western end incorporates the rocky outcrop.