I live in Eugene, and yes, it's a pretty great place. Wawa and outlaw are pretty spot on. The bus that Wawa is talking about has a last stop at the McKenzie River Ranger District US Forest Service Headquarters on Highway 126 - it's about 12 miles to the east of Blue River, OR. And, ha, as a former Forest Service employee, I can say that lots of people camp out in the woods. And, the Forest Service really doesn't care if you're there, as long as you're not doing really stupid shit, like starting forest fires or something.
As for Eugene, most of the travelers hang out either downtown or in the Whit (however, the Whit is filled with homebums, drug addicts, and all-around shady people - and some amazing people too). You occasionally see some stray travelers near the UO campus or in south Eugene.
It's the time of year where Eugene is filling up with travelers - they should be gone by October...I think?