1.4 miles
327 ft
-539 ft
Avg time

Stonewall Details

  • Riding area
  • Difficulty rating
  • Trail type
  • Bike type
    AM, XC
  • Trail Usage
  • Direction
    Downhill Primary
  • Physical rating
  • Season
    Year round
  • Ride in rain
  • Global Ranking

Stonewall is a one-way trail in the Mammoth Bar OHV park. My favorite way to access this trail is after finishing culvert, head into the OHV as though you're heading to confluence. Instead of going right to confluence, turn left and head up the wide dirt road. This climb is the old stagecoach road and has a few spots with a decent view.

Compared to the fast flowing nature of culvert, stonewall feels like an exciting step up. Get a bit of a running start into the start of the trail as a bit of momentum helps keep your speed up for the first short uphill, then get ready for a ride. The trail immediately gets much steeper and chunkier than anything on culvert or confluence. At low speeds, it is easily manageable, but careful if you're pushing yourself, this rollercoaster goes straight into a 180 right hander that requires a hefty handful of brakes to negotiate. Just after this is a steep little pedal, keep your speed up, but be ready to dump gears. After this crest the trail drops into a steep left that hurls you into stonewalls best. Fast and flowy, with rollercoaster like drops and berms, broken a few times by odd off cambers and one rocky left that tends to push people safely off trail. A few more fun turns and you drop back to a double track that often has motorcycles and quads on operational days.

Go down to the right a bit, and choose between Rocky Trail(1/8th mile rock garden), or bombing the fire road to the bottom. Enjoy the climb out! It's short, but very steep.

Access Info

In the Mammoth Bar OHV park

Local Trail Association
More Stats for Stonewall mountain bike trail
  • Altitude change
    -213 ft
  • Altitude min
    864 ft
  • Altitude max
    1,309 ft
  • Altitude start
    1,077 ft
  • Altitude end
    864 ft
  • Grade max
  • Grade min
  • Distance climb
    4,258 ft
  • Distance down
    2,416 ft
  • Distance flat
    478 ft
  • Avg time
  • view trail stats
on Apr 19, 2017
Avg: 3.5 (2 votes)

view (82)
Layers winter
Map Style
Trail Style
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Directions to stonewall trailhead (38.920780, -121.012450)
update trails status or condition

Stonewall Trail Reports

Apr 19, 2017 @ 6:17pm
Apr 19, 2017
Hero dirt with small patches of standing water. Drops and berms hold you in trail perfect with conditions
Oct 22, 2016 @ 6:43pm
Oct 22, 2016
Hero Dirt
Jun 22, 2016 @ 3:18pm
Jun 22, 2016
Seemed like much of the steep sections were a bit looser than I remember. Trail is in great shape!
view all reports »


more »
145 |
Feb 27, 2016 @ 2:15pm
Feb 27, 2016
Stonewall, Auburn
245 |
Jan 9, 2016 @ 5:30pm
Jan 9, 2016
Stonewall, Sacramento
167 |
Jan 6, 2016 @ 10:43am
Jan 6, 2016
Stonewall, Auburn
290 |
Mar 15, 2010 @ 8:23am
Mar 15, 2010
Stonewall, Auburn

1 Review & Comments

  • + 1
flag luvdownhillin1999 (Jan 8, 2016 at 14:35)
 nice trail!

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Mountain Biking Stonewall, Auburn
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