Summit Rock–Lookout Tower, 3 summits is a 2.6-mile out-and-back in Sanborn County Park near San Lorenzo Park, CA. The route passes Lookout Tower before reaching Summit Rock at the turnaround, 1.3 miles in. It climbs 414 ft, with sections as steep as 18% grade, and is mostly dirt. It scores 10/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi2,743 – 3,025 ft · steepest grade: 18%2.8 mi
Getting there
Trailhead: Unnamed 37.24591, -122.11049
Nearest town San Lorenzo Park, CA
Directions
AMBLEWAYwww.ambleway.com
Summit Rock–Lookout Tower, 3 summits
2.6 mi · ▲ 414 ft · 1 hr 4 min
Elevation 2,744–3,026 ft
Out & Back · Sanborn County Park
Trailhead: 37.24591, -122.11049
Weather Sep 20: sunrise 6:55 AM · sunset 7:10 PM
Parking lot at the trailhead
- Start at the trailhead, heading N.
- 350 ftPass Lookout Tower.
- 0.1 miSharp right onto Skyline Trail, heading S.
- 1.1 miReach Summit Rock, then turn around and head back the way you came.
- 1.1 miSharp left, heading W.
- 0.2 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
84% dirt5% paved11% unspecified
Weather
Sunrise 6:55 AMSunset 7:10 PM
Sunset
The best sunset spot on this hike is right at the trailhead, so there is no walk out. Be there by 6:50 PM to have the sun's last 20 minutes of sky before it sets at 7:10 PM. Your car is right there — dark at 7:36 PM.
Good to know
- Parking lot at the trailhead
Other ways to reach this destination
More from this trailhead
- Lookout Tower–Goat Rock Overlook, 3 summits 7.5 mi · ▲ 1,412 ft
- Goat Rock–Lookout Tower, 5 sights 8.7 mi · ▲ 1,821 ft
- Saratoga Gap Trail & Service Road Trail 3.9 mi · ▲ 840 ft
- Emily Smith Observation Point & Service Road Trail via Ridge Trail 5.2 mi · ▲ 1,015 ft
- Goat Rock Overlook & Service Road Trail via Ridge Trail 5.9 mi · ▲ 1,212 ft
- Lookout Tower–Loughry Woods Trail, 4 sights 4.3 mi · ▲ 829 ft
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