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Latitude: 51.723 / 51°43'22"N
Longitude: -3.8101 / 3°48'36"W
OS Eastings: 275067
OS Northings: 204247
OS Grid: SN750042
Mapcode National: GBR H2.2QCC
Mapcode Global: VH4JS.XY3J
Entry Name: Cilybebyll Auxiliary Unit Operational Base
Scheduled Date: 3 March 2011
Source: Cadw
Source ID: 944
Cadw Legacy ID: GM620
Schedule Class: Defence
Category: Observation Post
Period: Post Medieval/Modern
County: Neath Port Talbot (Castell-nedd Port Talbot)
Community: Cilybebyll
Traditional County: Glamorgan