Base Camp Z is located in north Bristol at Washingpool Farm in Easter Compton, just north of Cribbs Causeway. The farm is also the site of "The Wave" (an inland surf lake) - you can follow their brown route signs from the M5 junction.
If you are using Sat Nav, the closest postcode is:
which should take you to the centre of Easter Compton on the B4055 about a mile north of the Cribbs Causeway junction of the M5 (J17).
Keep going through the village and shortly afterwards look out for signs (and big flagpoles) for The Wave and Easter Compton Farm Shop at Washingpool Farm. Take that turning then follow our green Base Camp Z signs instead.
The final part of the route involves driving around the back of the farm buildings. Keep going and follow the signs until you arrive at a group of large barns.