Hamms Gulch Trail is a 1.9-mile out-and-back in Windy Hill Open Space Preserve near Portola Valley, CA. It is mostly level, with 175 ft of elevation gain, and mostly dirt. It scores 6/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi1,778 – 1,864 ft2.0 mi
Getting there
Trailhead: Anniversary Trail 37.36665, -122.24740
Nearest town Portola Valley, CA
Directions
AMBLEWAYwww.ambleway.com
Hamms Gulch Trail
1.9 mi · ▲ 175 ft · 43 min
Elevation 1,779–1,863 ft
Out & Back · Windy Hill Open Space Preserve
Trailhead: Anniversary Trail · 37.36665, -122.24740
Weather Aug 4: Clear, high 77°F / low 60° · precip 0% · wind 6 mph · sunrise 6:17 AM · sunset 8:15 PM
Dogs allowed · Parking lot at the trailhead
- Start on Anniversary Trail, heading SW.
- 0.3 miTurn left onto Lost Trail, heading SE.
- 0.6 miTurn right onto Hamms Gulch Trail, heading E.
- 50 ftReach Hamms Gulch Trail, then turn around and head back the way you came.
- 50 ftTurn left onto Lost Trail, heading E.
- 0.6 miTurn right onto Anniversary Trail, heading NW.
- 0.3 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
74% dirt26% unspecified
Weather
ClearTemperature 77°F60°
Precip0%Wind6 mphUV8Humidity35%
Hourly temperature
80°60°
Sunrise 6:17 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:15 PM
Wed
73°53°
Thu
90°52°
Fri
96°58°
Sat
91°55°
Sun
83°47°
Mon
79°47°
Sunset
The best sunset spot on this hike is 0.7 mi in (~21 min). Leave by 7:34 PM for the 8:15 PM sunset. Back at your car by 8:50 PM, after dark — bring a headlamp.
Good to know
- Dogs allowed
- Parking lot at the trailhead
Other ways to reach this destination
More from Anniversary Trail Trailhead
- Anniversary Viewpoint & Anniversary Trail 1.1 mi · ▲ 195 ft
Get outside more
A wild hike near Portola Valley, emailed to you once a week.
Hikes near Portola Valley, California