From Chester & N. Wales, just come into Wrexham and out on the A525 Whitchurch Road for approx. 1 mile, take the right turn for Erddig, drive past the main Marchwiel Hall Lodge and on to the entrance to the Cricket Club, approximately a quarter of a mile on the left and your there!
Alternatively:
If you are coming from Whitchurch as you pass through the village of Marchwiel take the Erddig turn to your left and follow the instructions above.