At Ballynahinch follow the one way system round following the signs for Newcastle .

As you leave Ballynahinch you will pass a road on the right to Spa and then football pitches on the left.

Beside the football pitch on the left is the  Downpatrick Road

take this road and travel for 5 miles,

After 5 miles you will come to a crossroads, turn right onto the Loughinisland Road