0.0: Start from the western edge of the parking lot, following signs to Waterfall Connector Trail.
0.3: Junction. Turn right onto Saratoga Gap Trail.
0.45: Junction. Take Ridge Trail, right, uphill.
0.8: Top of Goat Rock and two signed junctions. Bear left and after a few feet, bear right on Ridge Trail, "to Campground."
1.0: Junction with path from the Interpretive Center. Bear left to stay on Ridge Trail.
1.3: Junction with a connector to Saratoga Gap Trail. Continue straight on Ridge Trail, "to campground."
2.1: Ridge Trail meets Saratoga Gap Trail at a signed junction. Turn left onto Saratoga Gap Trail.
3.1: Junction with connector trail. Continue straight on Saratoga Gap Trail.
3.85: Waterfall viewing platform, on the right.
4.0: Previously encountered junction. Turn right and retrace your steps uphill on Saratoga Gap Trail and then Waterfall Connector Trail.
4.45: Back at the parking lot.
From Interstate 280 in San Mateo County, take CA 92 west, then turn south onto Skyline Boulevard (CA 35). Drive about 25.5 miles, to the junction of 35 and 9 (Saratoga Gap). Continue about 2 miles further south on 35, to the Robert C. Kirkwood Entrance on the right side of the road (the old entrance and parking lot are 1/2 mile further south on Skyline Boulevard).
From CA 85 in Santa Clara County, exit Saratoga Avenue. Drive west into Saratoga, then continue uphill on CA 9. At Saratoga Gap (junction 9 and CA 35), turn left and drive south about 2 miles to Robert C. Kirkwood Entrance on the right side of the road (the old entrance and parking lot are 1/2 mile further south on Skyline Boulevard).
GPS coordinates* for trailhead:
(* based on Google Earth data, shown as degrees, minutes, seconds)
Read about this hike in more detail and view photos at http://www.bahiker.com/southbayhikes/castlerock.html
© 2019 Jane Huber/Bay Area Hiker