Windy Hill Open Space Preserve
Hamms Gulch Trail & Lost Trail
4.5 mi · ▲ 424 ft · 1 hr 43 min
Hamms Gulch Trail & Lost Trail is a 4.5-mile out-and-back in Windy Hill Open Space Preserve near Portola Valley, CA. It climbs 424 ft. It scores 21/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
Getting there
Directions
Hamms Gulch Trail & Lost Trail
4.5 mi · ▲ 424 ft · 1 hr 43 min
Elevation 1,623–1,845 ft
Out & Back · Windy Hill Open Space Preserve
Trailhead: Anniversary Trail · 37.36181, -122.24722
Weather Sep 20: Fog, high 66°F / low 50° · precip 3% · wind 14 mph · sunrise 6:56 AM · sunset 7:11 PM
No dogs on part of this route · Toilets at the trailhead · Parking lot at the trailhead
- Start on Anniversary Trail, heading SE.
- 100 ftContinue straight onto Lost Trail, heading SE.
- 0.6 miTurn right onto Hamms Gulch Trail, heading E.
- 50 ftTurn left onto Lost Trail, heading E.
- 0.2 miBear right, heading S.
- 1.5 miReach Lost Trail, then turn around and head back the way you came.
- 1.7 miTurn right onto Hamms Gulch Trail, heading W.
- 50 ftTurn left onto Lost Trail, heading SW.
- 0.6 miContinue straight onto Anniversary Trail, 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 right at the trailhead, so there is no walk out. Be there by 6:51 PM to have the sun's last 20 minutes of sky before it sets at 7:11 PM. Your car is right there — dark at 7:37 PM.
Good to know
- No dogs on part of this route
- Toilets at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Anniversary Trail Trailhead
- Windy Hill & Anniversary Trail 1 mi · ▲ 151 ft
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