From the South - follow M6 onto the M74, leave the M74 at Gretna (junction 22) and follow the signs for A75 Stranraer (drive time approx. 1.5 hours). At Newton Stewart roundabout, pick up the signs for Wigtown, 1st exit on the left.
From the North -
From Glasgow - follow the A77 to Ayr. From Ayr take the signs for A713 Castle Douglas. At New Galloway pick up the A712 'Queens Way' to Newton Stewart then onto Wigtown. Alternatively, from Ayr, you can follow the A77 to Girvan, then A714 to Newton Stewart via Barhill.
From Edinburgh - follow the M8 to Glasgow and then pick up the A77 (as per directions from Glasgow). Alternatively, head south on the A702 to Abington and onto the M74, exit at Moffat (junction 15) at follow the A701 to Dumfries. Follow the signs A75 Stranraer, at Newton Stewart roundabout, pick up the signs for Wigtown, 1st exit on the left.