start at south exit of lay-by adjacent to old washery on old a465 next to give way sign. proceed south on old a465 through resolven and on to junction with a4109 adjacent to ynysgerwen cricket club. proceed south on a4109 to roundabout where take 1st exit onto new a465 dual carriageway leading north to resolven roundabout, where take 2nd exit on a465 to glynneath. continue until next roundabout (cwmgwrach) where take 1st exit on b road through glynneath, to finish adjacent to lamp post no 44 opposite the leisure centre swimming pool.