A mountain biker in motion jumps over a fallen log in a forested area, surrounded by tall trees. The rider is wearing a helmet and dark clothing, with a blurred motion effect that conveys speed and agility. Thrillium mountain bike trail.
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Tags:
Level: Intermediate
Length: 2.2 mi (3.5 km)
Surface: Singletrack
Configuration: One-way
Elevation: +10/ -491 ft
Total: 23 riders
 

Mountain Biking Thrillium

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#77 of 1,216 mountain bike trails in Washington
#3,982 in the world

Steep, fast, DH course with big jumps, drops, and tabletops. You can ride it on any bike and all features are rollable, but beware... it's rough.

First added by Chris Daniels on Apr 24, 2015. Last updated Aug 10, 2020. → add an update
Before you go
  • Drinking water: unknown
  • Lift service: unknown
  • Night riding: yes
  • Pump track: unknown
  • Restrooms: unknown
  • Fat bike grooming: unknown
  • E-bikes allowed: unknown
  • Fee required: unknown
This trail information is user-generated. Help improve this information by suggesting a correction.
Getting there
From Cold Creek TH (1.5 miles past Larch Corrections Center), shuttle back up to 4-way intersection and take left (east) to yellow gate. Push up through yellow gate along gravel road to Trillium TH. NOTE: as of mid-April, construction has begun to pave parking lot and open gate to TH.


Thrillium Trail map

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pawelek7 (Jul 29, 2023)
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Trail conditions

Good (Jun 2, 2018)
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Reviews

  • jvbutter
    ***

    Looks to be a good track during dry weather. It started to rain yesterday, and puddles formed. very slippery when wet in the clear cut sections. Nice jumps with some deep banking turns. Good run

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  • Chris Daniels
    *****

    This is the PDX area premier DH trail. Unlike other DH trails, this one is well maintained CCMTB club and relatively sustainable. You can ride this thing on any bike, but you are best suited with at least 6" or better, a dedicated DH. DO NOT climb this trail! please shuttle or climb Cold Creek to top of TH. Upper is natural rugged with drops. Lower (starting at clear cut) has huge table tops and jumps, big berms and fast terrain.

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