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Marin County

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Recommended Routes in Marin County - 13

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Favorite Dropping into Camp Tamarancho for a good time!
Difficult Difficult

Camp Tamarancho Loop

10.8 mi 17.4 km 1,407' Up 428.84 m Up 1,406' Down 428.65 m Down

Fairfax, CA
Explore in 3D
Favorite Hitting the smooth and fast Shoreline Trail at China Camp State Park.
Intermediate Intermediate

China Camp State Park Loop

8.7 mi 14.0 km 772' Up 235.44 m Up 772' Down 235.27 m Down

Santa V…, CA
Explore in 3D
Favorite Sunrise on MT Tam, April 2013. Mill Valley, CA
Intermediate Intermediate

Mt Tam Summit Loop

16.3 mi 26.2 km 2,450' Up 746.76 m Up 2,448' Down 746.3 m Down

Mill Va…, CA
Explore in 3D
Favorite Treading lightly ...
Intermediate Intermediate

Marin Three Lakes Loop

14.3 mi 23.1 km 1,445' Up 440.44 m Up 1,444' Down 440.05 m Down

Ross, CA
Explore in 3D
Favorite Alphawanderlust.com -Ride into the sunset- Bolinas Ridge
Intermediate/Difficult Intermediate/Difficult

Fairfax-Bo Ridge Gravel Grinder

43.0 mi 69.3 km 3,369' Up 1026.92 m Up 3,369' Down 1026.82 m Down

Fairfax, CA
Explore in 3D
Favorite Dropping into Camp Tamarancho for a good time!
Intermediate/Difficult Intermediate/Difficult

Tamarancho to Repack

13.8 mi 22.2 km 1,776' Up 541.39 m Up 1,777' Down 541.66 m Down

Fairfax, CA
Explore in 3D
Favorite View back down the trail from the top.
Intermediate/Difficult Intermediate/Difficult

Lucas Valley Loop

14.9 mi 23.9 km 2,977' Up 907.35 m Up 2,975' Down 906.7 m Down

Lucas V…, CA
Explore in 3D
Favorite Alphawanderlust.com | Overlooking Stinson Beach | Bolinas Ridge
Intermediate/Difficult Intermediate/Difficult

Marin Fire Road Loop

27.3 mi 44.0 km 4,309' Up 1313.28 m Up 4,307' Down 1312.85 m Down

Lagunit…, CA
Explore in 3D
Favorite Dropping into Camp Tamarancho for a good time!
Difficult Difficult

To Tamarancho and Beyond (auto free)

30.4 mi 48.9 km 4,394' Up 1339.17 m Up 4,364' Down 1330.16 m Down

San Rafael, CA
Explore in 3D
Favorite looking south towards Mt Tam from high atop Pine Mtn
Intermediate/Difficult Intermediate/Difficult

Pine Mountain Loop

13.4 mi 21.5 km 1,796' Up 547.55 m Up 1,801' Down 548.9 m Down

Fairfax, CA
Explore in 3D
Favorite San Francisco Bay from the Fire Road Loop.
Intermediate Intermediate

Angel Island

10.3 mi 16.5 km 731' Up 222.74 m Up 731' Down 222.71 m Down

Tiburon, CA
Explore in 3D
Favorite Spillway from Alpine Lake
Intermediate Intermediate

Repack via Deer Park Fireroad

12.8 mi 20.6 km 1,622' Up 494.47 m Up 1,618' Down 493.26 m Down

Fairfax, CA
Explore in 3D
Favorite Sunrise on MT Tam, April 2013. Mill Valley, CA
Easy/Intermediate Easy/Intermediate

Easy Mt Tam: Mtn Home Inn to West Point Inn

8.5 mi 13.6 km 873' Up 266.15 m Up 866' Down 263.82 m Down

Mill Va…, CA
Explore in 3D

Marin County Biking

  • 266 Miles 428 Kilometers of Trail
  • 13 Recommended Routes
  • 34 Easy Trails Easy Trails
  • 100 Intermediate Trails Intermediate Trails
  • 24 Difficult Trails Difficult Trails
MTB Project is built by riders like you. Share what you know about this area!

Areas Within Marin County

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Trails in Marin County - 145

MTB Project is built by riders like you. Add Your Trails

2.8 mi 4.6 km #1Coast View Trail
Intermediate Intermediate
Mill Valley, CA
Intermediate Intermediate
Mill Valley, CA 25 
1.1 mi 1.8 km #2Tenderfoot
Intermediate/Difficult Intermediate/Difficult
Mill Valley, CA
Intermediate/Difficult Intermediate/Difficult
Mill Valley, CA 22 
0.6 mi 1.0 km #3Endor
Intermediate Intermediate
Woodacre, CA
Intermediate Intermediate
Woodacre, CA 16 
11.4 mi 18.4 km #4Bolinas Ridge
Intermediate Intermediate
Lagunitas-Forest Knolls, CA
Intermediate Intermediate
Lagunitas-Forest Knolls, CA 28 
2.8 mi 4.5 km #5Ponti Flow Trail
Intermediate Intermediate
Lucas Valley-Marinwood, CA
Intermediate Intermediate
Lucas Valley-Marinwood, CA 15 
0.9 mi 1.5 km #6Chimney Rock
Easy Easy
Inverness, CA
Easy Easy
Inverness, CA
1.2 mi 2.0 km #7Wagon Wheel Trail
Difficult Difficult
Fairfax, CA
Difficult Difficult
Fairfax, CA 12 
2.6 mi 4.2 km #8680 Trail
Intermediate Intermediate
Sleepy Hollow, CA
Intermediate Intermediate
Sleepy Hollow, CA 19 
0.5 mi 0.8 km #9Alchemist Trail
Intermediate/Difficult Intermediate/Difficult
Fairfax, CA
Intermediate/Difficult Intermediate/Difficult
Fairfax, CA 11 
0.9 mi 1.5 km #10Serpentine Trail
Intermediate/Difficult Intermediate/Difficult
Fairfax, CA
Intermediate/Difficult Intermediate/Difficult
Fairfax, CA 13 

Photos of Marin County - 234

MTB Project is built by riders like you. Add Your Photos

Biking at Marin County
Apr 15, 2013 near Marin City, CA
Sunrise on MT Tam, April 2013. Mill Valley, CA
May 17, 2013 near Mill Va…, CA
Hitting the smooth and fast Shoreline Trail at China Camp State Park.
Aug 21, 2013 near Santa V…, CA
Bo Ridge in Spring.
May 14, 2016 near Lagunit…, CA
Yuri Hauswald shows you around one of his favorite local trail systems.
Nov 15, 2016 near Fairfax, CA
Alphawanderlust.com -Ride into the sunset- Bolinas Ridge
Jun 5, 2018 near Lagunit…, CA
Alphawanderlust.com | Overlooking Stinson Beach | Bolinas Ridge
Jun 5, 2018 near Bolinas, CA
Part way up the climbing section in the early morning.  Lucky timing with the morning sun's rays!
Dec 27, 2023 near Lagunit…, CA
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