There are three campgrounds run by the Wisconsin DNR in this area (not counting the 2 site boat-in camp on the river)  Castle Mound, Pigeon Creek and this one, which is the smallest and farthest away from anything. It's on the river, but not the scenic and most canoe-able part which is down below the town and dam in Black river falls. However there is a good shallow boat ramp for canoes/ kayaks.
There's a group campground away from the river, nearer to the marsh and 24 individual sites. Three of them are pull through (104, 113 & 120).
 We are tent campers, so I didn't pay close attention to hookups, but I doubt there are any.
We were there in October, and the birds had gone for the winter, so had the ATVers. I don't know what it's like in the peak of the summer, but the area has lots of off-road trails for ATVs.  Having said that, it was eerily quiet during our entire stay and we had maybe three other campers staying with us.
There's one trail leading out of the campground, but we were there to canoe and didn't hike it. We did hike the castle Mound trail which has cool rock formations and spectacular views (you have to climb an iron ladder at the very end, worth it).
We use Black River canoe rentals as our portage service so we could drift downriver to our car. It's run out of a liquor store, so that's convenient.