Rockville Hills Regional Park

Arch Trail–Black Oak Trail, 5 sights

2.8 mi · ▲ 610 ft · 1 hr 14 min

Arch Trail–Black Oak Trail, 5 sights is a 2.8-mile out-and-back in Rockville Hills Regional Park near Cordelia Junction, CA. It climbs 610 ft, with sections as steep as 23% grade. It scores 12/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi144 – 551 ft · steepest grade: 23%3.0 mi

Getting there

Trailhead: Green Valley Trail 38.23299, -122.14474
Nearest town Cordelia Junction, CA

Directions

AMBLEWAYwww.ambleway.com

Arch Trail–Black Oak Trail, 5 sights

2.8 mi · ▲ 610 ft · 1 hr 14 min

Elevation 144–550 ft

Out & Back · Rockville Hills Regional Park

Trailhead: Green Valley Trail · 38.23299, -122.14474

Weather Sep 4: Fog, high 75°F / low 55° · precip 0% · wind 14 mph · sunrise 6:42 AM · sunset 7:35 PM

  1. Start on Green Valley Trail, heading NE.
  2. 0.8 miTurn left onto Upper Mystic, heading NW.
  3. 250 ftContinue straight onto Middle Mystic, heading NW.
  4. 50 ftContinue straight onto Upper Mystic, heading NW.
  5. 0.1 miSharp right onto Mystic Ridge, heading W.
  6. 300 ftTurn left, heading NE.
  7. 0.1 miSharp left onto Arch Trail, heading NE.
  8. 0.4 miSharp right onto Jockey Junction, heading W.
  9. 400 ftBear right, heading NE.
  10. 150 ftReach Green Valley Trail, then turn around and head back the way you came.
  11. 0.2 miTurn right onto Middle Mystic, heading NW.
  12. 450 ftContinue straight onto Lower Mystic, heading SE.
  13. 0.1 miSharp right onto Black Oak Trail, heading SE.
  14. 0.6 miSharp right onto Green Valley Trail, heading SE.
  15. 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

7% dirt93% unspecified

Weather

FogTemperature 75°F55°
Precip0%Wind14 mphUV7Humidity48%
Hourly temperature
75°55°
Sunrise 6:42 AM12 AM3 AM9 AM12 PM3 PMSunset 7:35 PM
Sat 76°57°
Sun 78°52°
Mon 92°53°
Tue 85°60°
Wed 78°56° 17%
Thu 94°68°

More from Green Valley Trail Trailhead