I'd agree with Gene...he's probably down there more than me.....but friends and I have dropped cars at Baptist, Parker, Cedar, Akers, Pulltite, and Round for years with only a couple incidents. 4-5 years ago a friend had a car break in at Baptist, 3 years ago some friends had some gear lifted out of some tents Pulltite CG...Me, never had a problem.
Depends on where you start too....Camped on the river between Baptist and Parker a couple weeks ago...must have had a wind storm down there...lots of blow downs on the old horse trails in some sections. But it was navigable with a bit of brush busting. Its only a 6 mile float, but I probably walked 10. Give us an idea about your plan, and we could make some suggestions. Cheers.