would a small car be able to make it to the campsite without issue if taken slow?

+1 mile walk to the actual lake.

To answer your question. Yes, a small car could make it to the campground. Would I recommend you taking it, no. It's a rough road and will tear up your undercarriage.

You can take a small car. As you said take it slow.

I conquer. I'd stick to the campgrounds closer to woods canyon. That one's a bit rough to get into in a little car.

Very rough. It is what you call a washboard. You could take it, but it would never be the same

You're better off with a truck or SUV.

It's a pretty tough road back in there the last time I went. I personally wouldn't