Up the coast to Topanga Canyon and take that to Mulholland selecting either Old or New Topanga at the post office. Then west on Mulholland to Las Virgenes Road. Take that back to the coast and see if you can spot when it magically changes into Malibu Canyon Road. Zip back along the coast being extra alert for the usual crazy summer drivers.
If anyone want’s a shorter ride, they can return from the Post Office.