https://sites.google.com/site/corvallisbicycling/
Oregon State Bicycle Program; Oregon State Bicycle Map
Portland Bureau of Transportation - Bicycling
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Bikely.com - Bikely helps cyclists share knowledge of good bicycle routes.
Map My Ride - An on-line forum to share rides and track personal fitness statistics.
Pedaling.com - ...search for rides by location, distance, difficulty and local scenery.
RideOregonRide.com - Travel Oregon's bicycle touring concierge, RideOregonRide.com provides information on planning road or mountain biking trips. Suggested routes, places to stay and eat, attractions and feed back from other riders are all available.