Brevet Cymru 400km Audax May 2010. This is based on the 2010 route sheet. This route is a high definition route following the road. It matches the (comparatively low def) route that I found on bikely for 2007. Chepstow, Hay-on-Wye (80km), Llandovery (150km), Tregaron (199km), Newquay (236km), Llandovery (298km), Bwlch (346km), Chepstow (406km).by AudaxRides