AMBLEWAY Wildest hikes

Sierra Azul Open Space Preserve

Crystal Peak & Loma Prieta Road via Mount Umunhum Loma Prieta Road

2.6 mi · ▲ 310 ft · 1 hr 1 min

Crystal Peak & Loma Prieta Road via Mount Umunhum Loma Prieta Road is a 2.6-mile out-and-back in Sierra Azul Open Space Preserve near Twin Creeks, CA. The route reaches Crystal Peak at the turnaround, 1.3 miles in. It climbs 310 ft, with sections as steep as 19% grade. It scores 84/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi3,363 – 3,599 ft · steepest grade: 19%2.7 mi

Getting there

Trailhead: connector 37.10615, -121.84784
Nearest town Twin Creeks, CA
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Directions

AMBLEWAYwww.ambleway.com

Crystal Peak & Loma Prieta Road via Mount Umunhum Loma Prieta Road

2.6 mi · ▲ 310 ft · 1 hr 1 min

Elevation 3,364–3,600 ft

Out & Back · Sierra Azul Open Space Preserve

Trailhead: connector · 37.10615, -121.84784

Weather Aug 4: sunrise 6:16 AM · sunset 8:13 PM

  1. Start on Mount Umunhum Loma Prieta Road, heading NE.
  2. 0.6 miSharp right onto Loma Prieta Road, heading SE.
  3. 0.6 miBear left, heading E.
  4. 0.1 miReach Crystal Peak, then turn around and head back the way you came.
  5. 0.1 miBear right, heading NW.
  6. 0.6 miSharp left onto Mount Umunhum Loma Prieta Road, heading NW.
  7. 0.6 miArrive 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/crystal-peak-out-back-4-km

Trail surface

47% dirt9% paved44% unspecified

Weather

Sunrise 6:16 AMSunset 8:13 PM

Sunset

The best sunset spot on this hike is 0.1 mi in (~2 min). Leave by 7:51 PM for the 8:13 PM sunset. Back at your car by 8:30 PM — 12 min before dark. Trailhead visible from the viewpoint

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