From Ardglass take the A2 coastal road north for about 3km until you reach Chapeltown. Near a very nasty junction you will see a church on the left. Walk past the bullaun stones and see the cross slab above the door.
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7.2km (NNW) is a portal tomb at Loughmoney. 7km (NNW) is a standing stone at Carrownacaw. 0m (W) is a bullaun stone at Chapeltown. 9.1km (W) is a stone circle at Ballynoe. 10km (WNW) is a high cross at Downpatrick.