Cork to Achill
From Cork city centre, follow signs for Limerick (N20). Follow the N20 through Rathduff, Mallow, Buttevant and Rath Luirc (Charleville). At junction with N21/R526, take 2nd left slip road to join dual carriageway (signposted Limerick, Dublin). Follow this road (R509) to the junction with the Limerick by-pass. At traffic signals turn right R509 into Limerick Ring Road (signposted City Centre).At Roxborough Roundabout, take 1st exit R511 (signposted City Centre).
From Limerick follow N18 (signposted Galway, Ennis). Follow N18 through Clarecastle, Ennis, Crusheen, Gort, Ardrahan, Kilcolgan and Clarinbridge.
At junction with N6, take 2nd exit on roundabout for the N6. Proceed straight ahead at junction with N18 (North), then at junction with N6 East and N6 West, take 2nd exit on roundabout. At junction with R339, take 2nd exit on roundabout. At junction for Galway City East, go straight ahead on roundabout. At junction with N17, proceed straight ahead on roundabout. At junction with N84, take 3rd exit on roundabout onto the N84 (signposted Castlebar, Headford).
Follow N84 through Clonboo, Headford (turn right), Shrule, Kilmaine, Ballinrobe, Partry, Ballintubber and Ballyhean. At junction for N60, go straight ahead onto N60 to Castlebar.
In Castlebar, at the junction with the N5, take 1st exit at roundabout (signposted Westport, Achill). At the next roundabout (junction with R311) take the second exit, signposted R311 Achill and Town Centre. At the fourth (final) roundabout, take the first exit (straight ahead), and turn left at next junction (signposted Achill). Follow this road (R311) to Newport, turn right at junction with N59 through the village, follow N59 through Mulranny.
From Mulranny, follow signs for Belmullet (N59) for one mile, then branch left onto R319 signposted Achill. You will shortly arrive in the parish of Achill. For Achill Island, simply follow the R319 through Tonragee and Polranny. Achill Island is connected to the mainland by a road bridge at Achill Sound.