No, not that I'm aware of. There's a small (very very small) creek that runs through the main campground, but I wouldn't swim in it. There's another creek I have found thats crystal clear and very swimmable (would be cold though) but you've got little to no chance of getting a 2wd to it. Its very far off the beaten track
But, depending how keen you are, there's a nice little clearing probably a kilometer from it, maybe more not sure, that you *could* get a 2wd to. But it'd have to be a ute, or older commodore or something with a bit of clearance to get over the anti erosion mounds, unless you wanted to come in from Cessnock and some other little town, sorta the back way into the Wattagans, then you avoid the mounds.
But then you've still got a bit of a walk to the creek anyways. But your extremely secluded at least
Couple of other's here http://www.putfile.com/rockyf75/images/103676
Had heaps more but they are on the old PC (dead). these were taken after a bush fire, as you can see, and no I didn't start it