LL Stub Stewart State Park

LL Stub Stewart State Park on Trailforks.com

Just 30 minutes west of Portland, the LL Stub Stewart State park is 1800 acres comprised of more than 15 miles of trail, ranging from green to double black. These trails are generally open year round and have a little something for everyone! Each year, volunteers contribute more than 1,000 hours of their time to build and maintain the MTB system. Join us and become part of the team that makes mountain biking accessible for YOU!


Open 24 hours. A $5 parking permit is required. Alternatively, one can purchase a 12 month parking pass for all oregon state parks.


The MTB trails at Stub Stewart did not magically appear or happen overnight. Trail building is a marathon, not a sprint. And it’s due to the persistence of a few determined mountain bikers that we’ve got such wonderful trails so close to Portland.

Although planning for Stub began in the 1990’s, the park didn’t open until July 2007, and then only with access for equestrians, hikers, disc golfers and campers. However, early in the planning phase of park, NWTA (then the Portland United Mountain Pedalers a.k.a. PUMP) took the initiative and suggested to the planners that some dedicated mountain biking opportunities would be good thing to integrate into a state park trail system. Steve Kruger (currently of Trailkeepers of Oregon) was a trail manager ranger at time and he reached out to volunteers to help develop recommendations for a “mountain biking only” area.

NWTA, together with Westside Trail Federation, facilitated the initial build out of mountain bike trails at Stub Stewart State Park.  Moving into the future, NWTA is now collaborating with Oregon State Parks to manage, maintain, and scout additional MTB locations at Stub Stewart. Hundreds of folks have helped dig at volunteer work parties to make the Stub Stewart MTB trails a reality. Those trails finally opened in 2012, with a 5-mile cross country trail and one freeride trail. Over the last seven years, NWTA and WTF have added more than 10 miles to the mountain bike trail system and there’s still more to come!

Upcoming plans

Suggested loop


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