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Summit Trail - Rock City Segment

Very Difficult
 4.0 (1)
  1. Areas
  2. CA
  3. …Tri-Valley
  4. Mount Diablo State Park
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“Tight switchback into a rock stair drop followed by rock garden gulch with a mellow contour out at the end. ”

Preston Jordan
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Map Key

0.5

Miles

0.7

KM
Singletrack

1,719' 524 m

High

1,485' 453 m

Low

29' 9 m

Up

245' 75 m

Down

11%

Avg Grade (7°)

24%

Max Grade (14°)

Dogs Unknown

E-Bikes Unknown

Description

After the tight switchback entry, it is rockstacles on steep down into and along a gulch. Contours out the end. Described downhill perhaps needless to write. If you can clean this, my helmet's off (although not during this trail). This author has not come close.

Contacts

Local Club: Bicycle Trails Council of the East Bay

Land Manager: California State Parks - Mount Diablo State Park

Shared By:

Preston Jordan
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Trail Ratings

  4.0 from 1 vote

#11

in Mount Diablo State Park

#15022

Overall
  4.0 from 1 vote
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Trail Rankings

#11

in Mount Diablo State Park

#1,178

in California

#15,022

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140 Since Jul 11, 2020
Very Difficult
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Photos

View of Sentinal Rock looking west towards Las Trampas
Oct 9, 2014 near Diablo, CA
Sign post at the top of the Rock City segment of the Summit Trail (no no bikes symbol)
Jul 11, 2020 near Diablo, CA

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All Clear 28 days ago
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