Mount Diablo State Park

Castle Rock Trail via Falcon Road

3.3 mi · ▲ 706 ft · 1 hr 27 min

Castle Rock Trail via Falcon Road is a 3.3-mile out-and-back in Mount Diablo State Park near Alamo Oaks, CA. It climbs 706 ft, with sections as steep as 23% grade. It scores 80/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi505 – 961 ft · steepest grade: 23%3.3 mi

Getting there

Trailhead: connector 37.88509, -121.97735
Nearest town Alamo Oaks, CA

Directions

AMBLEWAYwww.ambleway.com

Castle Rock Trail via Falcon Road

3.3 mi · ▲ 706 ft · 1 hr 27 min

Elevation 505–961 ft

Out & Back · Mount Diablo State Park

Trailhead: connector · 37.88509, -121.97735

Weather Aug 3: Clear, high 100°F / low 68° · precip 0% · wind 7 mph · sunrise 6:14 AM · sunset 8:16 PM

  1. Start at the trailhead, heading S.
  2. 100 ftTurn left onto Little Pine Creek Road, heading SE.
  3. 250 ftSharp right onto Falcon Road, heading NW.
  4. 0.7 miTurn right onto Castle Rock Trail, heading S.
  5. 0.9 miReach Castle Rock Trail, then turn around and head back the way you came.
  6. 0.9 miTurn left onto Falcon Road, heading W.
  7. 0.7 miSharp left onto Little Pine Creek Road, heading NE.
  8. 300 ftTurn right, heading N.
  9. 50 ftArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Weather

ClearTemperature 100°F68°
Feels like85°Precip0%Wind7 mphUV8Humidity22%
Hourly temperature
100°65°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 91°66°
Wed 90°57°
Thu 97°55°
Fri 102°61°
Sat 102°59°
Sun 101°58°

Sunset

The best sunset spot on this hike is 1.0 mi in (~39 min). Leave by 7:17 PM for the 8:16 PM sunset. Back at your car by 8:58 PM, after dark — bring a headlamp. Trailhead visible from the viewpoint

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