Bicycle Transportation Alliance Calendar Lots of information on meetings, events and rides from this cycling advocacy group.
Portland Wheelmen Touring Club was founded in 1971 to promote cycling and to provide a social organization for bicyclists and offers a whole host of rides year 'round.
Northwest Trail Alliance (formerly PUMP) organizes mountain biking rides in and around the Portland metropolitan area and advocates for off-road riding facilties. NWTA also puts on trail-maintenance work parties and overnight camping trips.
Portland Velo is a non-profit cycling club dedicated to providing a fun, safe and inclusive environment for group cycling experiences.
Shift is an expression of Portland's creative bike culture --- rides & events of every stripe, from Breakfast on the Bridge to Pedal Potluck Picnic