Digwyddiad her ym Mryniau Clwyd, Gogledd-ddwyrain Cymru yn bennaf yn dilyn llwybrau a thraciau. Dewis o dri llwybr ar gael: 52km - uchder o 1940m, 40km - uchder o 1500m a 25km - uchder o 850m. Ar agor i redwyr a cherddwyr.
Challenge event in the Clwydian Hills, North East Wales mainly following paths and tracks. Choice of three routes available: 52km - 1940m elevation, 40km - 1500m elevation and 25km - 850m elevation Open to both runners and walkers.
A challenging event mainly on paths with some steep ascents and descents