A parking question for tubing

I've used River Riders in the past and they dropped us off at the HF campground. However, I've also gone tubing on my own, without an outfitter, and parked vehicles at the drop off and take out spot without a problem. In the past I parked at the lots across the river from the town and put in nearby. However, I'd like to park some place close to the HF campground and use that put-in spot. Does anyone know if this is possible? Is there any parking available at the campground? Do the roads nearby have any off road parking? Is the HF campground private? Can anyone else put in there besides River Riders? Thanks in advance!