Shell Ridge Open Space

Fossil Hill–Willow Spring Pond, 5 sights

3 mi · ▲ 403 ft · 1 hr 12 min

Fossil Hill–Willow Spring Pond, 5 sights is a 3-mile out-and-back in Shell Ridge Open Space near Walnut Heights, CA. The route passes Willow Spring Pond and Bramhall Pond before reaching Fossil Hill at the turnaround, 1.5 miles in. It climbs 403 ft and is mostly dirt. It scores 53/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi217 – 472 ft3.2 mi

Getting there

Trailhead: Unnamed 37.88932, -122.01902
Nearest town Walnut Heights, CA

Directions

AMBLEWAYwww.ambleway.com

Fossil Hill–Willow Spring Pond, 5 sights

3 mi · ▲ 403 ft · 1 hr 12 min

Elevation 218–471 ft

Out & Back · Shell Ridge Open Space

Trailhead: 37.88932, -122.01902

Weather Aug 3: Mostly clear, high 101°F / low 63° · precip 0% · wind 4 mph · sunrise 6:14 AM · sunset 8:16 PM

  1. Start at the trailhead, heading NE.
  2. 0.2 miTurn left onto Briones to Mt. Diablo Regional Trail, heading NW.
  3. 50 ftPass Willow Spring Pond.
  4. 0.1 miBear left, heading N.
  5. 0.7 miTurn left onto Fossil Hill Trail, heading W.
  6. 50 ftPass Bramhall Pond.
  7. 250 ftTurn right onto Indian Creek Trail, heading S.
  8. 0.3 miContinue straight onto Fossil Hill Trail, heading NW.
  9. 0.1 miTurn left onto Kovar Trail, heading SW.
  10. 250 ftReach Fossil Hill, then turn around and head back the way you came.
  11. 250 ftTurn right onto Fossil Hill Trail, heading SE.
  12. 0.1 miContinue straight onto Indian Creek Trail, heading N.
  13. 0.3 miTurn left onto Fossil Hill Trail, heading SE.
  14. 250 ftTurn right onto Briones to Mt. Diablo Regional Trail, heading SE.
  15. 0.6 miTurn right, heading SE.
  16. 0.2 miTurn right, heading S.
  17. 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 surface

96% dirt4% unspecified

Weather

Mostly clearTemperature 101°F63°
Precip0%Wind4 mphUV8Humidity31%
Hourly temperature
105°60°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 91°63°
Wed 90°55°
Thu 98°56°
Fri 103°62°
Sat 103°60°
Sun 102°59°

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