From San Ramon, take Interstate 680 Northbound towards Walnut Creek, or from Oakland take Hwy 24 East towards Walnut Creek. Exit at Ygnacio Valley Road, turn RIGHT at the stoplight. After passing Civic Drive, turn RIGHT (south) onto Walnut BLVD. (Note: If you reach Bancroft/Walnut Avenue, you've gone too far! Make a U-Turn then LEFT at Walnut BLVD.) Continue on Walnut until almost the end and then left at Rockspring. From Martinez, take Hwy 4 East to Interstate 680 South. Or from Antioch/Pittsburg take Hwy 4 West to 680 South. Exit at Treat Blvd, making a LEFT turn at the stoplight, then an immediate LEFT at the next stoplight onto Treat Blvd. Get in the far righthand lane and make a RIGHT turn at the 2nd stoplight onto Oak Road. Oak becomes North Civic Drive. Turn LEFT at Ygnacio Valley Road, then first RIGHT onto Walnut Blvd. (Note: If you reach Bancroft/Walnut Avenue, you've gone too far! Make a U-Turn then LEFT at Walnut BLVD.) Follow until almost the end then turn LEFT at Rockspring Place. Park in the street.