Yes, there are plenty of mellow stretches of the Rogue River near Gold Beach that would be suitable for inner tubes. However you will need to be aware of other water crafts as this is a popular boating area.
For rafting near Portland with a six year old I’d suggest the Deschutes River near Maupin. It’s a great introduction to rafting and flows all summer long!
I live right on this scenic byway and can attest to its beauty. It’s indeed worth a few days of your time. This byway is named for two rivers: the Rogue (in my backyard) and the Umpqua. Of the two, the Rogue is regarded more for its rafting. The Medford Mail Tribune readers picked Noah’s River Adventures as…
Yes, there are a few rafting guides on the North Umpqua River. Check out North Umpqua Outfitters, Orange Torpedo Trips, and Oregon Ridge & River Excursions.