Start at end of lay-by on A483 as it passes Berriew 0.0
Proceed N on A483 to island with A490 and continue straight on, taking 2nd exit
Continue N on A483 to Welshpool railway station island and encircle, taking 4th exit to return S on A483
Proceed S on A483 to island with A490 and continue straight on, taking 2nd exit
Continue S on A483 to pass start on right and finish at Refail, level with sign "Berriew 1 Castle Caereinion 4 New Mills 8" 10.0
