AMBLEWAY Wildest hikes

Sierra Azul Open Space Preserve

Cathermola Road & Mount Umunhum Loma Prieta Road

10 mi · ▲ 1,285 ft · 3 hr 59 min

Cathermola Road & Mount Umunhum Loma Prieta Road is a 10-mile out-and-back in Sierra Azul Open Space Preserve near Twin Creeks, CA. It climbs 1,285 ft. It scores 91/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi2,864 – 3,448 ft10.1 mi

Getting there

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

AMBLEWAYwww.ambleway.com

Cathermola Road & Mount Umunhum Loma Prieta Road

10 mi · ▲ 1,285 ft · 3 hr 59 min

Elevation 2,865–3,449 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. 3.9 miContinue straight onto Cathermola Road, heading N.
  3. 250 ftContinue straight onto Mount Umunhum Loma Prieta Road, heading N.
  4. 1.1 miReach Mount Umunhum Loma Prieta Road, then turn around and head back the way you came.
  5. 1.1 miContinue straight onto Cathermola Road, heading S.
  6. 250 ftContinue straight onto Mount Umunhum Loma Prieta Road, heading S.
  7. 3.9 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-16-km-3503

Trail surface

24% dirt76% 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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