We've been there and really enjoyed it.
But we stayed at Harris Beach SP, as a base to explore the region.
I remember there being a few CGs, along 199, between the Caves and Grants Pass.
Don't try driving up to the Caves in a large MH, so hope you have a toad.
Dan- Firefighter, Retired:C, Shawn- Musician/Entrepreneur:W, Zoe- Faithful Golden Retriever(RIP:(), 2014 Ford F150 3.5 EcoboostMax Tow pkg, 2016 PrimeTime TracerAIR 255 w/4pt Equalizer and 5 Mtn. bikes and 2 Road bikes