L.A.'s Mountain Biking Trails El Prieto Click Here for Map From Foothill Blvd in La Canada, turn north on Palm Ave. Parking is available at the 3rd stop sign (about 3/4 mile from Foothill Blvd). The entrance is down to the left of the stop. From here the road is blocked from motor traffic by a yellow Forrest Service gate. Advanced Current Trail Rating = 9 Click Here to Rate this Trail Click Here to Return to Trails Home