A complex feature, internally divided and sub-divided: classified by Dyfed Archaeological Trust as Henllan Farm I (PRN 11790), Henllan Farm II (PRN 11791), and Henllan Farm III (PRN 11792). Hanllan Farm III is a rectilinear enclosure, idenitified on aerial photographs taken by the Trust in 1984.
Information drawn from Dyfed Archaeological Trust's data base, via Archwilio: http://www.archwilio.org.uk [accessed 7th March 2011].
L. Moore, RCAHMW, 8th March 2011