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Camp Tamarancho, BSA (Tamarancho Endor Flow Trail Tamarancho Flow Trail)

Mountain Biking Trail

Hard
10.3 mi
1,629 ft
Easily the best singletrack riding in Marin County, the birthplace of mountain biking.

Camp Tamarancho is one of only two significant bike-legal trail systems in Marin County, the purported birthplace of mountain biking. But not only that, it’s arguably the best mountain bike trail in the entire San Francisco Bay Area! The singletrack through Tamarancho is narrow, smooth, and mostly quite flowy. It begins with a respectable climb up from the road, switchbacking and climbing high into the hills on beautiful singletrack beneath a canopy of towering redwoods. Higher up, the singletrack breaks out into some beautiful mountainside meadows, and the drier terrain offers up some moderately-challenging rock gardens that intermediate riders should love. The most difficult rock gardens tend to have ride arounds for those not interested in challenging their bike handling skills. The crowd-favorite trail segment at Tamarancho is the newly-built Endor flow trail. Featuring rollers, berms, and tabletop jumps, Endor is a top-tier flow trail that’s received high acclaim from riders all around the Bay Area. Unfortunately, the fun is over quickly after just half a mile, but due to where the flow trail was built in the network, it’s easy to pedal back up to the top and do a few laps on Endor before moving on and completing the ride. The Camp Tamarancho trail defies the general animosity to mountain bikes in the Bay Area because the trail was built on private land. According to , "Camp Tamarancho" is the private property of the "Marin Council" of the Boy Scouts of America. Riding here requires the purchase of a permit. A one-day pass costs $6 as of this writing. Alternatively, you can buy an annual pass, which is priced at $50 for 2023. You can purchase both types of permits (among others) online. Mountain bikers are required to have one of these passes present on their person any time they are riding on the trails here. If you happen to forget to purchase one online, passes may also be purchased in person in Fairfax Village at SplitRock Tap & Wheel or Sunshine Bicycles on the day of your ride. Sunshine Bicycles is in downtown Fairfax, a couple of blocks southeast from the starting point of this ride. Be sure to respect the Boy Scout Camp and buy a pass; This small purchase will pay off handsomely with a top-notch mountain bike experience! passes are available online at: Check out the Tamarancho Report online for the latest trail conditions: Sources: Written by Greg Heil
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Strava Routes

Route and Elevation

Segments

NameDistanceElev. Diff.Avg. Grade
Ironsprings to the beginning of Tamarancho0.91 mi295 ft6.1%
Scenic repeats0.15 mi59 ft7.5%
Iron Springs Rd to Alchemist1.46 mi535 ft6.9%
Iron Springs to White Hill5.55 mi820 ft2.8%
iron springs UH modified0.86 mi328 ft6.9%
Alchemist + Goldman CCW to Fire Road1.34 mi292 ft4.0%
Alchemist UH0.44 mi197 ft8.4%
Tamarancho loop cw plus endor Kiosk to kiosk6.91 mi-525 ft-0.1%
Goldman -- Alchemist to Wagon Wheel (CW)0.90 mi105 ft0.2%
Goldman & Serpentine CW1.74 mi318 ft2.6%
Tamarancho Clockwise w/ Endor6.83 mi476 ft0.0%
Giro d' Fairfax 2015 Stage 10.45 mi-102 ft-3.6%
T'rancho Loop First Half2.98 mi328 ft1.8%
Goldman South DH0.35 mi-66 ft-2.8%
serpentine FR dh0.23 mi-69 ft-5.5%
First Leg Camp Tam Loop1.81 mi295 ft1.2%
Hit the Double Black!!0.40 mi85 ft0.1%
Serpentine Climb (bridge to fire road)0.72 mi302 ft7.9%
Wagon Wheel first DH0.35 mi-89 ft-4.2%
Wagon Wheel (CW)1.32 mi177 ft0.6%
Wagon wheel - fun part0.71 mi-121 ft-3.1%
Wagon Wheel - Minus Climb Out0.98 mi-118 ft-1.5%
Short Wagon Wheel UH0.09 mi36 ft1.8%
Tamarancho Rock Garden0.28 mi-69 ft-4.5%
Baby heads0.11 mi-26 ft-4.2%
Tamarancho Rock Garden - Complete (w/ climb)0.31 mi-46 ft-0.9%
Rock Garden DH0.16 mi-59 ft-4.5%
B-17 Complete1.22 mi-148 ft-0.6%
B17 DH (Clockwise)0.84 mi-148 ft-3.3%
Short fire road downhill0.10 mi-69 ft-11.0%
B-17 last DH0.30 mi-157 ft-8.6%
B17 connector to Goldman1.94 mi-453 ft-2.1%
Endor (clipped to avoid false starts)0.47 mi-213 ft-8.6%
JUST FLOW0.41 mi-226 ft-10.2%
Flow without the dead GPS spots0.56 mi-194 ft-6.4%
Endor - Complete and Accurate Tamarancho Flow Trail0.69 mi-289 ft-7.1%
Flow + Broken Dam2.28 mi-417 ft-1.4%
Endor- The Full Tamarancho Flow Trail0.48 mi-272 ft-10.4%
DH - From bottom of Flow to Bridge0.38 mi-184 ft-8.8%
Leaving Flow Trail2.19 mi-381 ft-1.3%
Bridge UH0.69 mi220 ft6.0%
Broken Dam Bridge to Goldman1.11 mi230 ft3.9%
Bob and Weave0.49 mi66 ft2.4%
I'm Outa Here!1.32 mi-361 ft-4.6%
Goldman + Alchemist 0.85 mi-390 ft-8.7%
Tamarancho Loop Final Leg (Clockwise)0.15 mi-62 ft-7.0%
Down Goldman/Alchemist - CLIPPED0.65 mi-282 ft-8.1%
Goldman + Alchemist DH0.67 mi-344 ft-9.7%
Alchemist Downhill0.46 mi-259 ft-10.4%
Iron Springs DH0.75 mi-272 ft-6.6%