At the junction, turn right and continue in a south westerly direction along the A40 Manordeilo, to its junction with the C2162 Cwmifor.
Mae ffordd yr A4066, sy'n cysylltu Sanclêr a chyrchfan arfordirol Pentywyn, yn rhedeg drwy'r dref, gan ddarparu mynediad cymharol hawdd i'r A40.