Bull Valley Trail is a 3.6-mile out-and-back in Carquinez Regional Shoreline near Port Costa, CA. It climbs 730 ft, with sections as steep as 21% grade, and is mostly dirt. It scores 13/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi33 – 341 ft · steepest grade: 21%3.8 mi
Getting there
Trailhead: Unnamed 38.04729, -122.18533
Nearest town Port Costa, CA
Directions
AMBLEWAYwww.ambleway.com
Bull Valley Trail
3.6 mi · ▲ 730 ft · 1 hr 34 min
Elevation 33–343 ft
Out & Back · Carquinez Regional Shoreline
Trailhead: 38.04729, -122.18533
Weather Aug 4: sunrise 6:15 AM · sunset 8:16 PM
Bikes allowed on the whole route · Horses allowed on the whole route
- Start at the trailhead, heading W.
- 0.3 miSharp left onto Carquinez Loop Overlook Trail, heading S.
- 0.2 miTurn left, heading NW.
- 250 ftTurn left, heading SW.
- 0.6 miTurn left onto Bull Valley Trail, heading NW.
- 0.6 miReach Bull Valley Trail, then turn around and head back the way you came.
- 0.6 miTurn right onto Carquinez Loop Overlook Trail, heading SE.
- 0.4 miBear right, heading E.
- 0.2 miTurn right, heading E.
- 0.3 miSharp right, heading SE.
- 0.3 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
100% dirt
Weather
Sunrise 6:15 AMSunset 8:16 PM
Sunset
The best sunset spot on this hike is 0.6 mi in (~21 min). Leave by 7:35 PM for the 8:16 PM sunset. Back at your car by 8:46 PM, after dark — bring a headlamp.
Good to know
- Bikes allowed on the whole route
- Horses allowed on the whole route
Get outside more
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