When approaching Letterkenny from Ballybofey or Derry, continue in until you arrive at the Station Roundabout, Take the 3rd exit off the roundabout, then continue for 200 metres until mini roundabout at Oatfields Sweet Factory.
Take 1st exit (sharp left) up De Valera Road (steep hill), past the fire station on the left, until reaching the Hospital Roundabout. Take the 3rd exit (Kilmacrennan Road), N56.
Continue for 3km, through the next roundabout until you come to the Mountain Top Roundabout. Take 1st exit off the roundabout. Pennsylvania House is situated 200 yards on the left from this roundabout.