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California > Los Angeles > Simi Valley > Marr Ranch Open Space
The first big rock climb section on the way up Chumash Trail. (There's a few short rubble piles before this, but this is where the real fun of this trail begins). This section is rough and off-camber, but the rock is grippy and solid, so it's rideable : )
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Looking up the last sustained rock climb section before the top of Chumash. It's rideable but very challenging. At the bottom, try hugging the right edge up over the rock mound, which gives you a split second of momentum before charging the main grade.
Nice easy singletrack in this section of the ride
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  3.7 from 3 votes
Luke MJ
Nov 15, 2022 near Santa Susana, CA
“The first big rock climb section on the way up Chumash Trail. (There's a few short rubble piles before this, but this is where the real fun of this trail begins). This section is rough and off-camber, but the rock is grippy and solid, so it's rideable : )”  

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The first big rock climb section on the way up Chumash Trail. (There's a few short rubble piles before this, but this is where the real fun of this trail begins). This section is rough and off-camber, but the rock is grippy and solid, so it's rideable : )
Nice easy singletrack in this section of the ride
Downhill section
Morning light creeping into the ravine of lower Chumash Trail. One of the best combinations of singletrack + technical climbs + rocky descents in the region. Far less gnarly and consequential than the full DH descents (Grudge, Undertow, and Hummingbird)
Fast corner
About 2/3 of the way up Chumash
Morning light, looking down on the first mile of the Chumash Trail coming up from Simi Valley.
Looking up the last sustained rock climb section before the top of Chumash. It's rideable but very challenging. At the bottom, try hugging the right edge up over the rock mound, which gives you a split second of momentum before charging the main grade.
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Nearby

Chumash Trail

2.5 mi 4.1 km
 17
Santa Susana, CA

Chumash/Hummingbird Loop

8.9 mi 14.4 km
 36 ROUTE
Santa Susana, CA

Las Llajas/Chumash Loop

9.1 mi 14.7 km
 41 ROUTE
Santa Susana, CA
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