After crossing the Britannia bridge onto Anglesey continue along the A55 for 6 miles and take Junction 6, signposted "Rhostrehwfa A5". Follow the signs for Rhostrehwfa (A5). You will climb up a hill for about one mile, at the top of the hill take the first right on to Rhostrehwfa, the turning for the Anglesey storage is 100 yards on your left.
Directions from Holyhead
Follow the A55 dual carriageway towards "Bangor" for approximately 6 miles then take Exit 6, signposted "Rhostrehwfa". Follow the signs for Rhostrehwfa (A5). You will climb up a hill for about one mile, at the top of the hill take the first right on to Rhostrehwfa, the turning for the Anglesey storage is 100 yards on your left.