Bus directions to the SLO Botanical Gardens: From the San Luis Obispo Government Center (on Osos Street between Palm and Monterey streets), take Route 12A (Monday through Friday) or 12B (on Saturdays and Sundays) to Cuesta College Romauldo Road at Parking Lot #3 (about a 20 minute ride). Cross HWY 1 at Hollister Ave at the traffic light to enter the El Chorro Regional Park. Walk approximately 1 mile up Dairy Creek Road to the SLO Botanical Gardens.
Another idea: take your bike on the bus, or bike to the Botanical Gardens from SLO!
For a map of all businesses offering Car Free discounts, see Maps.