We had a last minute idea to go camping on Labor Day weekend, hopefully omewhere near St Croix Falls so we could visit Interstate State Park and explore the surrounding area.  As luck would have it, there were no campsites avaialble at any of the local state parks on the Wisconsin side or Minnesota side of the river. So, we checked for other area campgrounds and discovered this gem of a private campground right on the shores of the Apple River. This is mostly a campground that rents seasonal sites to RV owners, and these are tucked away in the woods near the river with a real sense of privacy. But, for the casual camper,  they also have a swath of sites located right ON  the river, including sites with hookups if desired, or a separate lane of very large and very secluded tent sites also right on the river that I dare say are nicer than any of the tent sites at area state parks. The Apple River is really beautiful, and if we had brought our kayaks we could have plopped them right in the river from our campsites and had an amazing paddlle on this pristine tributary of the St Croix.  (See attached photo for map of the Apple River upstream towards its various headwaters lakes. Further down the Apple River is a canyon and whitewater section for tubing or paddling: 

https://www.stcroix360.com/2013/06/floating-the-apple-river-canyon/)

We were in site T3, which had an electric hookup used by friends who joined us in their van; there was also a water hookup which was handy even if we didnt hook up to it. There was a fair amount of  space at our site, but If we were to come back again we would want a bit more space and privacy so we would absolutely go for one of the tent sites, any one of them would be great! The campground over all is clean and well maintained, a lot of retired folks as seasonal campers but also a lot of families with kids, and a nice family atmosphere. Given that is was Labor Day weekend and every site ended up being taken, you might expect it to be busy and loud, but it was pleasant and quiet, and the neighbors friendly, The bathrooms and showers were clean and well kept, and bleach water disinfectant was avaialble to wipe down surfaces if anyone had concenrs. There is a small pub with a patio attached to the campground office, but it was surprisingly quiet and low key. There is volleyball and more outdoor games adjacent, and this is all a bit set apart from the campground anyway. Along the river is a small beach, boat dock for canoes and kayaks and fishing, and a nice playground for kids.  It is a good 20-minutes to half hour drive to Interstate State Park and the Falls towns, which has pluses and minuses. We also took the opportunity to try some hiking a little closer to the campground, and enjoyed the Stower Seven Lakes Trail on the old Soo Line : https://dnr.wisconsin.gov/topic/parks/stower

Other outdoor activities and special places to visit in Polk County near the campground: 

https://www.co.polk.wi.us/landinfowisdnrmaps

Really a lovely spot, and a nice surprise.