Directions: - Exit A46 at Leamington Spa junction(A452). Take turning towards Kenilworth and proceed to Jet Garage island. Keep in right hand lane and take third exit into Birches Lane. Follow this road for approximately 1.5 miles. It becomes Glasshouse Lane. After you have passed all the houses on the right, you will approach a wooded area. Entrance to the car park is on the right, through these woods, at large Wardens sign.