AMBLEWAY Wildest hikes

Lime Ridge Open Space

Thorn Alley & West quarry path via Ohlone Trail

4 mi · ▲ 658 ft · 1 hr 40 min

Thorn Alley & West quarry path via Ohlone Trail is a 4-mile out-and-back in Lime Ridge Open Space near Cowell, CA. It climbs 658 ft, with sections as steep as 16% grade. It scores 2/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi341 – 742 ft · steepest grade: 16%4.3 mi

Getting there

Trailhead: Unnamed 37.92574, -121.99673
Nearest town Cowell, CA
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Directions

AMBLEWAYwww.ambleway.com

Thorn Alley & West quarry path via Ohlone Trail

4 mi · ▲ 658 ft · 1 hr 40 min

Elevation 342–742 ft

Out & Back · Lime Ridge Open Space

Trailhead: 37.92574, -121.99673

Weather Aug 3: Mostly clear, high 99°F / low 60° · precip 0% · wind 5 mph · sunrise 6:14 AM · sunset 8:16 PM

Parking lot at the trailhead

  1. Start at the trailhead, heading NE.
  2. 0.2 miBear left onto Ohlone Trail, heading N.
  3. 0.3 miContinue straight onto West quarry path, heading NE.
  4. 350 ftContinue straight onto Ohlone Trail, heading N.
  5. 0.3 miTurn right, heading NE.
  6. 50 ftContinue straight onto Blue Oak Trail, heading E.
  7. 1.1 miReach West quarry path, then turn around and head back the way you came.
  8. 1.1 miTurn left onto Ohlone Trail, heading W.
  9. 0.3 miContinue straight onto West quarry path, heading S.
  10. 350 ftContinue straight onto Ohlone Trail, heading SE.
  11. 0.3 miBear right, heading SE.
  12. 0.2 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/thorn-alley-out-back

Trail surface

38% dirt62% unspecified

Weather

Mostly clearTemperature 99°F60°
Precip0%Wind5 mphUV8Humidity32%
Hourly temperature
100°60°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 90°63°
Wed 89°56°
Thu 98°56°
Fri 103°62°
Sat 103°60°
Sun 102°59°

Sunset

The best sunset spot on this hike is 0.9 mi in (~27 min). Leave by 7:30 PM for the 8:16 PM sunset. Back at your car by 8:54 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

More from this trailhead

Hikes near Cowell, California