In reply to climber_medic:
> (In reply to blackreaver) Meirionydd guide by the climbers club will have what you need mate
It is the comprehensive guide, but a little dated. The Ground Up North Wales Select guide has good colour topos featuring all the best routes on the Moelwyns crags (Yr Oen, Yr Wrysgan and Y Clipiau) a bit more user friendly I reckon.