Northwest Trail Alliance
Type Trail Association
Primary Activity Mountain Bike
Website
Geo
Address
PO Box 1846
Portland, Oregon
97207
United States
Associated Groups
NWTA Northwest Trail Alliance - Regional Admin Group
NWTA-KC Northwest Trail Alliance NWTA - Klootchy Creek
46
Avg: 5 (3 votes)
Write a review
An alliance of mountain bikers dedicated to creating, enhancing and protecting riding opportunities in NW Oregon and SW Washington.

Join us and support mountain biking near you. http://nw-trail.org/join

Riding Areas

nametrailstotal descenthighest trailtotal distance
CLIMB - Cascade Locks International Mountain Bike System14-1,261 ft1,007 ft17 miles
Coldwater Lake / Mt Margaret5-1,318 ft3,946 ft9 miles
Easy CLIMB Trail System @ Cascade Locks2-201 ft147 ft3 miles
Falls Creek16-5,208 ft1 mile47 miles
Forest Park46-14,424 ft1,132 ft79 miles
Growler's Gulch26-2,266 ft1,664 ft14 miles
Henry Hagg Lake1-943 ft415 ft13 miles
Klootchy Creek Trails26-2,577 ft844 ft10 miles
LL Stub Stewart State Park45-4,271 ft1,501 ft23 miles
Mt. St. Helens National Volcanic Monument91-40,129 ft2 miles189 miles
Oldman Pass15-3,266 ft4,028 ft33 miles
Powell Butte Nature Park21-1,830 ft630 ft10 miles
Sandy Ridge32-8,377 ft4,384 ft34 miles
Tualatin Mountain Forest (Rocky Point Trails)82-13,363 ft1,323 ft34 miles

Supported Regions

titleroleratingtrails
Tualatin Mountain Forest (Rocky Point Trails)Builder
82 trails
CLIMB - Cascade Locks International Mountain Bike SystemMaintainer
14 trails

Past Events

Skillparks

titletypestatusrating
Castle Rock Bike Skills ParkSkillpark
Ventura Park Pump TrackSkillpark

3 Reviews for Northwest Trail Alliance

  • + 2
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 This is the group getting stuff done in Portland area. Not always fast or what everyone wants, but lots in motion. Maybe get involved if want to help, eh?
[Reply]
  • + 0
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 NWTA is 10 directors, 20 trail stewards, and 1300 members pitching in to build and maintain the trails you ride within an 80 mile radius of Portland OR. It is 100% volunteer based. Join and Participate. www.nw-trail.org/join www.nw-trail.org/donate
[Reply]
  • + 2
flag
 Excellent mountain/river scenery on this secluded mountain bike trail. Lot's of great turns and pumps. Local breweries and food nearby too!
[Reply]
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Recent Donations

usernameamountdate
Rjeep$5 USDJul 3, 2026
ClumbsyChris$5 USDMay 28, 2026
Tannless1$50 USDMay 21, 2026