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 System15-1,447 ft1,007 ft17 miles
Coldwater Lake / Mt Margaret5-1,525 ft3,946 ft9 miles
Easy CLIMB Trail System @ Cascade Locks2-201 ft147 ft3 miles
Falls Creek16-5,723 ft1 mile48 miles
Forest Park57-15,430 ft1,132 ft82 miles
Growler's Gulch26-2,266 ft1,664 ft14 miles
Henry Hagg Lake1-1,467 ft422 ft14 miles
Klootchy Creek Trails27-4,293 ft1,536 ft15 miles
LL Stub Stewart State Park49-4,684 ft1,500 ft25 miles
Mt. St. Helens National Volcanic Monument91-39,997 ft2 miles189 miles
Oldman Pass15-3,454 ft4,028 ft33 miles
Powell Butte Nature Park21-1,758 ft630 ft11 miles
Sandy Ridge32-8,629 ft4,384 ft35 miles
Tualatin Mountain Forest (Rocky Point Trails)84-13,828 ft1,323 ft35 miles

Supported Regions

titleroleratingtrails
Tualatin Mountain Forest (Rocky Point Trails)Builder
84 trails
CLIMB - Cascade Locks International Mountain Bike SystemMaintainer
15 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
Phenning67$5 USDAug 11, 2026
LauraNebula$5 USDAug 8, 2026
grommets$5 USDAug 6, 2026