Best Brecon roads
Discussion
St Owen's Cross to Abergavenny is lovely after you cross the A466.
I would do Brecon to Builth through Upper Chapel both ways as it is a very nice road as previously commented. An alternative is to head west from Builth Wells to Garth and then come back up to Upper Chapel via the B4519.
Road from Llangadog on the approach to the 'famous' hairpin on the A4069 is a lovely tight technical bit that can be enjoyed at moderate speed.
HTH
https://www.google.co.uk/maps/dir/Chepstow/St+Owen...
Gassing Station | South Wales | Top of Page | What's New | My Stuff