Update in 2020: Sykes Camp / Sykes Hot Springs is Closed (VentanaWild).
Day 0 (Friday): We drove from Mountain View to Pfeiffer Big Sur State Park in three cars. We were a group of ten. On our way, we had dinner at Ambrosia Indian Bistro at 565 Abrego St Monterey, CA 93940. Food and service was good. We had made reservations for two campsites: Link to campsite reservation.
Day 1 (Saturday): We got up early morning, got ready, packed our backpacks and drove our cars to the trailhead.
Trailhead location: Study Pfeiffer Big Sur Brochure for the location of the trailhead. Pine Ridge Trail ends in a parking lot marked by a "TH" sign inside a circle. This parking lot allows multi-day parking for a pre-paid fees, which can be deposited at the parking lot itself.
Hike: We walked 9.5 miles from Pfeiffer Big Sur to Sykes campground, all along Pine Ridge Trail.
Day 2 (Sunday): We walked 9.5 miles from Sykes campground to Pfeiffer Big Sur parking lot. We then drove back to Mountain View.