May to October – Groups by appointment.
Open days 3rd Friday & Saturday of each Month May – Oct inc 11:00am – 4:00pm.
Olive and Mark
Take 2nd exit (No 3) off N3 Navan Road off M50. Keep right and turn right at traffic lights, then straight on to roundabout at Blanchardstown Corporate Park where you turn left onto Cruiserath Road. At the next roundabout take 3rd exit onto Powerstown Road. Tyrrelstown House is on right, stone entrance after 2nd speed bump.
Directions on Google Maps: https://goo.gl/maps/LVbvH8Jkp1w