Hi SomeoneElse,

The area named Bannau Brycheiniog is the mountain area directly south of Brecon including Pen y Fan and Waun Rydd, which are the 'original' Brecon Beacons. It is the name of the mountains in this are which was later taken as the name of the National Park.

You can see this area named in the official National Park Map at: https://i.pinimg.com/736x/a9/97/7c/a9977c34b539d0b6a9ec1e1f745c555f--sustainable-tourism-wales-uk.jpg

conifermapper