On A3, take the exit for Cobham (1.1 mile northeast of J10 on M25).  Head for Cobham.  At second roundabout take first exit onto A307 Portsmouth Road.  Stay on Portsmouth Road for 1.3 miles.  Car park is on the right just BEFORE the road crosses the bridge over the A3. 

The pub/hotel is 1/3 mile back along the Portsmouth Road.

Petal celebrates 40 years of hashing