Directions to Castle Loch Cairn: Take the A747 Port William road off the A75 at the E End of Glenluce. Turn left onto a single track road for Whitefield Loch after 1.8 miles. Stay on this narrow lane for c. 2 miles to reach Culroy Farm Track. Head E along a rough track. The track reaches a vehicular dead-end at a gate after c. 2 miles. Walk c. 450 yards E along a rocky road to reach a gate. Turn right here, heading NE for c. 400 yards into a narrow rectangular grass field to reach Castle Loch Cairn. There is an evident stony mound in the centre of the cairn.