A25 west from Dorking past Shere then turn left onto A248 towards Albury. On On to Chilworth. Just before the Percy Arms by the railway station, left into Stapleoak Lane. Over the level crossing and up to the cross roads. Left into Blackheath Lane and continue to the car park at the end.
Post code may get you somewhere near.

W3W: rafters.voice.decanter

On On: Percy Arms