Windy Hill Open Space Preserve
Hamms Gulch Trail–Lost Trail, 3 sights
13.6 mi · ▲ 2,630 ft · 5 hr 51 min
Hamms Gulch Trail–Lost Trail, 3 sights is a 13.6-mile out-and-back in Windy Hill Open Space Preserve near Portola Valley, CA. It climbs 2,630 ft, with sections as steep as 16% grade. It scores 37/100 on the Ambleway Wildness scale: green fringe.
Elevation
Getting there
Directions
Hamms Gulch Trail–Lost Trail, 3 sights
13.6 mi · ▲ 2,630 ft · 5 hr 51 min
Elevation 655–1,845 ft
Out & Back · Windy Hill Open Space Preserve
Trailhead: 37.36753, -122.22117
Weather Aug 4: sunrise 6:17 AM · sunset 8:15 PM
No dogs on part of this route
- Start at the trailhead, heading S.
- 150 ftTurn left onto Hamms Gulch Trail, heading E.
- 2.8 miTurn left onto Lost Trail, heading E.
- 0.2 miBear right, heading SE.
- 1.5 miTurn left onto Razorback Ridge Trail, heading S.
- 2.3 miTurn left, heading SW.
- 50 ftReach Hamms Gulch Trail, then turn around and head back the way you came.
- 2.3 miTurn right onto Lost Trail, heading S.
- 1.7 miTurn right onto Hamms Gulch Trail, heading E.
- 2.8 miTurn right, heading NE.
- 50 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
Weather
Sunset
The best sunset spot on this hike is 4.4 mi in (~147 min). Leave by 5:28 PM for the 8:15 PM sunset. Back at your car by 10:25 PM, after dark — bring a headlamp.
Good to know
- No dogs on part of this route
Other ways to reach this destination
More from this trailhead
- Hamms Gulch Trail 6.9 mi · ▲ 1,279 ft
- Hamms Gulch Trail 6.9 mi · ▲ 1,279 ft
- Windy Hill via Hamms Gulch Trail 7.8 mi · ▲ 1,432 ft
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