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From San Francisco:
Take the Bay Bridge East, then I-580 East to State Route 24 East to Walnut Creek.  All this happens as you go down the incline from the Bay Bridge  Hiway 24 will take you through the Caldecott Tunnel and continues to the 680/24 interchange.  Take 680 North to State Route 242 East to Concord/Pittsburg.  This changes to State Route 4 going East to Pittsburg/Antioch.  You will travel through Pittsburg and take the A Street/Lone Tree Way Exit.  Turn right as you exit the freeway and continue on Lone Tree Way for approx 1.7 miles, turn right onto Golf Course Road and continue for about ½ mile to the entrance gates on the right. 

From San Jose:
Take 680 North to Sacramento.  Continue through the City of Walnut Creek (about 40 miles from San Jose) remaining on 680 North as Eastbound Hiway 24 joins it.  This will take you to Hiway 242 East to Pittsburg/Stockton (about 3 miles).  This changes to State Route 4 going East to Pittsburg/Antioch.  You will travel through Pittsburg and take the A Street/Lone Tree Way Exit.  Turn right as you exit the freeway and continue on Lone Tree Way for approx 1.7 miles, turn right onto Golf Course Road and continue for about ½ mile to the entrance gates on the right.