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Big Rock Trail

Intermediate/Difficult
 4.4 (5)

One of the few bike legal singletrack trails in this area of Marin. Fun and scenic.

J R

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Map Key

2.6

Miles

4.2

KM

Singletrack

1,536' 468 m

High

641' 195 m

Low

907' 277 m

Up

14' 4 m

Down

7%

Avg Grade (4°)

19%

Max Grade (11°)

Dogs Off-leash

E-Bikes Unknown

Features -none-

Description

Big Rock Trail starts on Lucas Valley Road, right near the entrance to Sky Walker Ranch. Yeah, the place where they made some Star Wars movies. The trail gently climbs nearly 1,000 feet to the top of Big Rock Ridge. Great views on the way up and even better views from the top of the ridge. Going down this trail is a total joy. For Marin, this is a 4 star trail. For the rest of the world, it's probably a 3 star, but I like it and gave it 4 stars.

Contacts

Local Club: Access4Bikes (A4B)

Land Manager: Marin County Parks

Shared By:

J R

Trail Ratings

  4.4 from 5 votes

#3

in Marin County

#5570

Overall
  4.4 from 5 votes
5 Star
40%
4 Star
60%
3 Star
0%
2 Star
0%
1 Star
0%
Trail Rankings

#3

in Marin County

#333

in California

#5,570

Overall
66 Views Last Month
2,234 Since Sep 19, 2015
Intermediate/Difficult

0%
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75%
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25%
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Photos

The fun and flowy part near the bottom.
Oct 18, 2015 near Lucas V…, CA

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Current Trail Conditions

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All Clear 99 days ago See History
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Check-Ins

Sep 9, 2018
Tara Hollander
Amazing ride down. Killer ride up Luiz fire road to get there. 7mi
Sep 1, 2017
Cat Gibson
Jul 17, 2016
Jennifer Bosco