Family Search have an interactive map called "England and Wales Jurisdictions 1851" showing parish (and other) boundaries with optional background maps such as Ordnance Survey. There is also a Search facility, do read the guidance notes to get maximum benefit from this useful resource. See here for further background information to assist in the interpretation of this data
Walks from Capel y Ffin Hostel including Hay Bluff and Twmpa and Llanthony Abbey, with sketch map of the area - on Walking Britain site.
Picture gallery of Capel y Ffin on the Walk Wales site.
You can see pictures of Capel-y-ffin which are provided by:
You can see the
administrative areas in which Capel-y-ffin has been placed at times in the past. Select one to see a link to a map of that particular area.
You can see maps centred on OS grid reference SO255315 (Lat/Lon: 51.97695, -3.086043), Capel-y-ffin which are provided by: