Let NWTA Help

To create, enhance, and protect mountain bike riding opportunities; to advocate for trail access; to promote responsible mountain biking; and to build, maintain, and ride sustainable trails. Who We Are Northwest Trail Alliance is an all-volunteer, non-profit organization based in Portland, Oregon. Created in 1988 as a grassroots club of local riders, we have grown … Read More

Castle Rock Bike Skills Park

Trailforks.com Built on approximately four acres of city property on the Cowlitz River, the Castle Rock Bike Park includes two pump tracks, three jump lines, an elevated trail, a variety of skinnies and log rides, and numerous other skill-building features. The park is open during daylight hours. Access Take Exit 49 off I-5. Turn left/west … Read More

Ventura Park Pump Track

Trailforks.com A dirt pump track located in the center of the 7 acre Ventura park that offers an easy introduction to off-road cycling. It has berms, rollers and optional jumps all that can be pumped and rolled. Despite being on city property, the pump track is built and maintained by NWTA volunteers.This areas is best … Read More

Local Stewardship Teams

Local Stewardship Teams (LSTs) form the backbone of Northwest Trail Alliance. These trail work teams — each with a well-defined region and clear, yet evolving, goals — lead our on-trail progress. In 2019, our LSTs & their volunteer crews invested more than 18,000 hours into 190-plus NWTA-maintained trails — more than 175 rideable miles — … Read More

NWTA Spring Membership Drive

NWTA’s Spring Membership Drive is underway! We’ve been hard at work maintaining and creating mountain biking opportunities FOR YOU! Join or renew today and show your support for quality mountain bike access close to home. Read on to find out what we’ve been up to, what’s on our radar and the sweet Lolo Rack you … Read More

Front Page

Upcoming Events News Featured Platinum Sponsor

Growlers Gulch

Growlers is a semi-legal riding area on ____ timberland near Castle Rock, WA and has about ____ miles of trail. The local riders made an agreement with the timber company to build trails and ride there if no maps of the area are ever created. This area is different from Rocky Point in that there … Read More