They are called an S240 ride, Rivendell Bicycles suggests what you might want to bring, around Portland Cycle Wild has a map (see it below) that suggests where around Portland you might want to go. Portland’s “rideshed” which is “anywhere you can ride a loaded bike on a summer day.” About 75 at the most, farther with MAX.
Visit Cycle Wild’s Where to Camp page to learn more…
View Portland Rideshed Campsites in a larger map
View Portland Rideshed Campsites in a larger map