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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Inadequate
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
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Radar Time
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Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
- Snowmobile
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
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google parking directions
Primary Trail Type: Cross-Country
AKA: Camp Tamarancho

Activities Click to view
- Mountain Bike
103 trails
- E-Bike
2 trails
- Hike
111 trails
- Trail Running
111 trails
Region Details
- 40
- 1
- 12
- 26
- 23
Region Status
Open as of Jan 22, 2023Stats
- Avg Trail Rating
- Trails (view details)
- 114
- Trails Mountain Bike
- 103
- Trails E-Bike
- 2
- Trails Horse
- 2
- Trails Hike
- 111
- Trails Trail Running
- 111
- Total Distance
- 168 miles
- Total Descent
- 57,964 ft
- Total Vertical
- 2,250 ft
- Highest Trailhead
- 2,265 ft
- Reports
- 1,547
- Photos
- 325
- Ridden Counter
- 36,494
Popular Tamarancho / West Marin / North Tam Trails
Mountain Bike Routes
title | rating | distance |
---|---|---|
Tamarancho Maiden Ride | 14 miles | |
Tamarancho Loop | 7 miles | |
Fairfax-Bo Ridge Gravel Grinder | 42 miles | |
White Hill Tamarancho Loop | 18 miles | |
Great Kid's Lake Ride | 8 miles | |
Classic Tam Route | 20 miles | |
watershed things | 17 miles | |
White Hills Tamarancho Loop | 15 miles | |
Bolinas_SG v2 | 33 miles | |
San Geronimo Ridge Singletracks | 17 miles |
Photos of Tamarancho / West Marin / North Tam Mountain Bike
trail: B-17 Trail
4 |
Dec 31, 2022 @ 5:14pm
Dec 31, 2022
trail: B-17 Extension
8 |
Dec 27, 2022 @ 12:25pm
Dec 27, 2022
trail: Wagon Wheel Trail
723 |
Feb 14, 2018 @ 11:22pm
Feb 14, 2018
trail: Wagon Wheel Trail
789 |
Jun 23, 2015 @ 10:36pm
Jun 23, 2015
trail: Wagon Wheel Trail
707 |
Feb 16, 2015 @ 9:09pm
Feb 16, 2015
trail: Wagon Wheel Trail
629 |
Feb 16, 2015 @ 9:07pm
Feb 16, 2015
trail: Endor (Flow Trail)
1,590 | | 5 comments
Feb 6, 2015 @ 9:41am
Feb 6, 2015
trail: Endor (Flow Trail)
947 |
Feb 6, 2015 @ 9:39am
Feb 6, 2015Videos of Tamarancho / West Marin / North Tam Mountain Bike

trail: Serpentine Trail
68 |
Nov 18, 2021

trail: Boulder Springs Trail
2:34 |
106 |
Oct 9, 2020

trail: Endor (Flow Trail)
0:08 |
325 |
Feb 12, 2018

trail: Endor (Flow Trail)
1:00 |
66 |
Jul 11, 2017

trail: Endor (Flow Trail)
1:54 |
934 |
Feb 15, 2016

trail: Endor (Flow Trail)
2:29 |
143 |
Sep 14, 2015

trail: Endor (Flow Trail)
3:32 |
825 |
Jun 10, 2015
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Endor (Flow Trail) | Jan 23, 2023 @ 12:10pm Jan 23, 2023 | Variable | Spindelatron A4B | ||
Alchemist Trail | Jan 23, 2023 @ 12:10pm Jan 23, 2023 | Variable | Spindelatron A4B | ||
B-17 Extension | Jan 23, 2023 @ 12:10pm Jan 23, 2023 | Variable | Spindelatron A4B | ||
Ridge Connector | Jan 22, 2023 @ 4:42am Jan 22, 2023 | Variable | tamarancho-report | ||
Serpentine Trail | Jan 21, 2023 @ 8:42pm Jan 21, 2023 | Variable | tamarancho-report | ||
Wagon Wheel Trail | Jan 21, 2023 @ 8:42pm Jan 21, 2023 | Variable | tamarancho-report | ||
B-17 Trail | Jan 21, 2023 @ 8:42pm Jan 21, 2023 | Variable | tamarancho-report | ||
Broken Dam Trail | Jan 21, 2023 @ 8:42pm Jan 21, 2023 | Variable | tamarancho-report | ||
Goldman Trail | Jan 21, 2023 @ 8:42pm Jan 21, 2023 | Variable | tamarancho-report | ||
Bullfrog Connector | Jan 21, 2023 @ 1:09am Jan 21, 2023 | Wet | tamarancho-report |
Activity Feed
username | action | type | title | date | |
---|---|---|---|---|---|
![]() | Spindelatron | add | report | Alchemist Trail and 2 more | Jan 23, 2023 @ 12:10pm Jan 23, 2023 |
![]() | tamarancho-report | add | report | Ridge Connector and 5 more | Jan 22, 2023 @ 8:15pm Jan 22, 2023 |
![]() | uhy0GaZT | wishlist | trail | Hunt Camp Road | Jan 22, 2023 @ 4:03pm Jan 22, 2023 |
![]() | tamarancho-report | add | report | Bullfrog Connector and 6 more | Jan 21, 2023 @ 7:33pm Jan 21, 2023 |
![]() | michaeldehni | wishlist | region | Tamarancho / West Marin / North Tam | Jan 20, 2023 @ 6:30am Jan 20, 2023 |
Recent Comments
username | type | title | comment | date | |
---|---|---|---|---|---|
![]() | trail | This is a fun and well built trail. It’s a... | Dec 22, 2022 @ 8:02pm Dec 22, 2022 | ||
![]() | trail | Cool trail right off of solstice, the trail... | Nov 29, 2022 @ 7:07am Nov 29, 2022 | ||
![]() | trail | Short fire road with one steep slippery... | Nov 28, 2022 @ 6:24pm Nov 28, 2022 | ||
![]() | trail | Very very steep slippery fire road | Nov 19, 2022 @ 4:57pm Nov 19, 2022 | ||
![]() | trail | There are sawed logs every quarter mile or so... | Oct 15, 2022 @ 5:34pm Oct 15, 2022 |
Nearby Areas
name | distance | ||||
---|---|---|---|---|---|
Terra Linda-Sleepy Hollow Divide Northern Preserve | 3 km | ||||
Big Rock / Lucas Valley | 8 | 11 | 5 | 1 | 3.1 km |
The Graveyard | 4 | 3.2 km | |||
Gold Hill | 4.9 km | ||||
Big Rock / Novato | 1 | 5.4 km |
Local Badges
-
Camp Tamarancho ESI927 awarded -
Completionist1 awarded
Bike & Skill Parks
name | type | city | rating |
---|---|---|---|
Tamarancho Skill Park | skill park |
Local Products
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 103 | 146 miles | 51,772 ft | 77 miles | 2,231 ft | #188 | #79 | 324 | 1,547 | 10 | 31,406 | |
E-Bike | 2 | 3,097 ft | 249 ft | 2,822 ft | 249 ft | #336 | #114 | 2 | 1,420 | 1 | 2,154 | |
Horse | 2 | 6 miles | 2,172 ft | 3 miles | 1,913 ft | 340 | 2 | |||||
Hike | 111 | 166 miles | 56,588 ft | 87 miles | 2,251 ft | #165 | #90 | 1,520 | 2 | 712 | ||
Trail Running | 111 | 166 miles | 56,588 ft | 87 miles | 2,251 ft | #165 | #89 | 1,520 | 2 | 607 |
- By brenthillier
NSMBA TRAILFORKS & contributors
- Admins: A4B, MCBC, spokesmanmtb
- #6111 - 25,162 views
- tamarancho / west marin / north tam activity log | embed map of Tamarancho / West Marin / North Tam mountain bike trails | tamarancho / west marin / north tam mountain biking points of interest
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