AMBLEWAY Wildest hikes
Morning in Portola Valley, California5.jpg
Don Owens · CC BY 2.0
Windy Hill Open Space Preserve

Anniversary Viewpoint–Hamms Gulch Trail, 4 sights

10 mi · ▲ 1,611 ft · 4 hr 8 min

Anniversary Viewpoint–Hamms Gulch Trail, 4 sights is a 10-mile out-and-back in Windy Hill Open Space Preserve near Los Trancos Woods, CA. The route reaches Anniversary Viewpoint at the turnaround, 5 miles in. It climbs 1,611 ft, with sections as steep as 18% grade. It scores 29/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi797 – 1,903 ft · steepest grade: 18%10.4 mi

Getting there

Trailhead: Razorback Ridge Trail 37.35596, -122.21744
Nearest town Los Trancos Woods, CA
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Directions

AMBLEWAYwww.ambleway.com

Anniversary Viewpoint–Hamms Gulch Trail, 4 sights

10 mi · ▲ 1,611 ft · 4 hr 8 min

Elevation 799–1,903 ft

Out & Back · Windy Hill Open Space Preserve

Trailhead: Razorback Ridge Trail · 37.35596, -122.21744

Weather Aug 4: Clear, high 86°F / low 57° · precip 0% · wind 1 mph · sunrise 6:16 AM · sunset 8:16 PM

No dogs on part of this route

  1. Start at the trailhead, heading W.
  2. 50 ftTurn right onto Razorback Ridge Trail, heading NW.
  3. 2.3 miTurn right onto Lost Trail, heading NW.
  4. 1.7 miTurn right onto Hamms Gulch Trail, heading W.
  5. 50 ftTurn left onto Lost Trail, heading W.
  6. 0.6 miTurn right onto Anniversary Trail, heading NE.
  7. 0.4 miReach Anniversary Viewpoint, then turn around and head back the way you came.
  8. 0.4 miTurn left onto Lost Trail, heading NW.
  9. 0.6 miTurn right onto Hamms Gulch Trail, heading NE.
  10. 50 ftTurn left onto Lost Trail, heading NE.
  11. 0.1 miBear right, heading NE.
  12. 1.5 miTurn left onto Razorback Ridge Trail, heading NE.
  13. 2.3 miTurn left, heading E.
  14. 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 map, photos and weather for this hike: www.ambleway.com/hikes/anniversary-viewpoint-out-back-16-km

Trail surface

15% dirt85% unspecified

Weather

ClearTemperature 86°F57°
Precip0%Wind1 mphUV8Humidity63%
Hourly temperature
90°55°
Sunrise 6:16 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Wed 83°53°
Thu 94°55°
Fri 99°61°
Sat 95°58°
Sun 87°51°
Mon 82°51°

Sunset

The best sunset spot on this hike is 2.4 mi in (~89 min). Leave by 6:27 PM for the 8:16 PM sunset. Back at your car by 9:28 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • No dogs on part of this route

Other ways to reach this destination

More from Razorback Ridge Trail Trailhead

Hikes near Los Trancos Woods, California