(1) Local clubs
(2) Regional clubs
(3) Local groups
(1) Local bicycle clubs
Mid-Valley Bicycle Club: A bicycle club based in Corvallis with a focus on paved and gravel road cycling.
Team Dirt: A mountain bike club based in Corvallis and a chapter of IMBA.
Santiam Spokes: A bicycle club based in Lebanon, Oregon
Mid-Valley Gravel Grinders: https://www.facebook.com/groups/midvalleygravelgrinders
Corvallis and Area Mountain Biking Group: https://www.facebook.com/groups/40579722084
(2) Regional bicycle clubs (in Oregon)
Bend Area Cycling Enthusiasts (BACE) [Meetup Group]
Bend Bella Cyclists [a women's cycling club]
Disciples of Dirt: A mountain bike club.
Wild Rivers Coast Mountain Biking Association: A mountain bike club and chapter of IMBA.
Hood River Area Trail Stewards (HRATS): A mountain bike club and chapter of IMBA.
Blue Mountain Single Track Trails Club: A mountain bike club and chapter of IMBA.
Yaquina Wheels Bicycle Club (appears to be inactive as of 2022)
Rogue Valley (Ashland; Grants Pass; Medford)
Rogue Valley Mountain Bike Association: A mountain bike club and chapter of IMBA.
Capitol Velo Cycling https://www.capitolvelo.com
Siskiyou Saddle tramps https://www.siskiyousaddletramps.com/
Alpine Trail Crew Association [Facebook page]: ATCA's mission is to preserve the Alpine Trail system and trails throughout the Willamette National Forest.
Central Oregon Trail Alliance (COTA): COTA's mission is to develop, protect, and enhance the Central Oregon mountain bike experience through trail stewardship, advocacy, collaboration, and education. COTA is an IMBA affiliated club.
Greater Oakridge Area Trail Stewards (GOATS): GOATS' mission is to protect, create, and enhance quality trail experiences for mountain bikers in cooperation with other trail users in the Oakridge area.
Klamath Trails Alliance (KTA): KTA works cooperatively with trail users, landowners, and others to develop, maintain, and promote a network of trails for non-motorized recreation in and around Klamath County, Oregon.
Northwest Trail Alliance (NTA): NTA is an all-volunteer, non-profit organization based in Portland, Oregon. We are one of the Northwest’s leading mountain bike advocacy and trail stewardship groups. Forest Park – Portland’s renown urban park -, we have grown into a regional advocacy group, stewarding trails and advocating for trail access across a wide radius around Portland; from Forest Park and Powell Butte within the city limits of Portland, to the southern foothills of Mount St Helens, to the western slopes of Mount Hood, to Tillamook State Forest and Scappoose.
Oregon Timber Trail is an iconic 670-mile backcountry mountain bike route spanning Oregon’s diverse landscapes from California to the Columbia River Gorge. It is a world-class bikepacking destination and North America’s premiere long-distance mountain bike route. It runs south to north and travels through a variety of landscapes, communities, ecosystems, terrain, and, most importantly—mountain bike trails. The Oregon Timber Trail Alliance is dedicated to stewardship, education, community, and quality trail experiences throughout the Oregon Timber Trail corridor.
Blackrock Mountain Bike Association (BRMBA)
Blue Mountain Singletrack Trails Club and Mount Emily Recreation Area (MERA)
Lower Umpqua Mountain Bike Rider (LUMBR) [Facebook page]
Mt Hood Bike-Pedestrian Coalition
Newport Trail Stewards (NEWTS)
North Coast Trail Alliance (Chapter of NWTA)
Tillamook Off-Road Trail Alliance
Cycle Umpqua: https://www.cycleumpqua.com
Alliance for Biking and Walking
oregon mountain biking coalition https://www.ormtbcoalition.org/
Oregon Outdoor Alliance: https://www.oregonoutdooralliance.org/
Northwest Trail Alliance https://nw-trail.org/
Oregon Coast Trail https://www.oregoncoasttrail.org/
Oregon Recreational Trails Advisory Council: https://www.oregon.gov/oprd/BWT/Pages/BWT-ortac.aspx
Bikeways, Waterways, & Trails program: https://www.oregon.gov/oprd/BWT/Pages/BWT-overview.aspx
Oregon Trails Coalition: https://www.oregontrailscoalition.org/
Sisters Trail Alliance https://www.sisterstrails.org/
Applegate Trails Association https://www.applegatetrails.org/
North Coast Trail Alliance https://www.nctrailalliance.com/
Siskiyou Uplands Trail Association
Mountain Bike Oregon Oakridge https://mtboregon.com/