Riveted1

We had been boon-docking for most of the previous two weeks and really needed a full-hook-up respite night. It you are traveling across eastern Montana on I-94, the first thing you will notice is there are not a lot of trees, thus not a lot of shade. The Miles City KOA offers a lovely park with enormous Cottonwoods. The sites are quite close together, it is in a fairly industrial part of town, the pool is small and crowded with kids... but if you just need a restful night and maybe do some laundry, this is the place to stop.
What made it especially nice for us was how incredibly friendly the owners and staff were. They made us feel very welcome.
We would definitely stay here again as we travel across Montana.

While not a destination spot, this was a perfect place for a night's rest. It is adjacent to a rest area, so it is in close proximity to the freeway. C loop is sandwiched between the highway and traintrack but is still quite pleasant. There was only one train during the night. G loop is through a tunnel (for eastbound travelers) and borders the Clark Fork of the Columbia River. There is a lovely 1/2 mile interpretive trail that winds through here. Perfect trail to stretch your legs.
There is a dump station and fresh water. There is a restroom with flush toilets and hot/cold water.
There were only two other campers.
This campground is a days drive from our home base. We would definitely stay here again.

I was very impressed with how nicely the campground was maintained, especially considering it was free. Not much else to add from what the other reviewers have already posted. It was a great overnight stop for us and would consider staying several days if our schedule allowed.

This was our second year staying at Yellowstone Holiday RV Campground. We hope to return on a regular basis. It is out of our usual price range (Golden Age Pass addicts!), but with a week of boon docking on either side of visiting here, we like to treat ourselves to top-notch facilities in terms of laundry and having full hook-up. The staff and managers are very pleasant and obviously love their jobs. We love being close enough to Yellowstone to visit, but far enough away to have no chaos surrounding us. We love Hegben Lake and simply everything about this area. We literally planned our summer around when we could return to this campground. Looking forward to next summer already.

I would actually choose this campground over staying in the park. It is very close to Medora, so you can enjoy this unique town as well. (the musical is a must...)
We camped in the Cedar campground, which is heavily treed and quite private. Our site was very small and would barely fit our 25' trailer, but we managed. Other sites would have fit it better. As someone else mentioned, it is a tight squeeze around the loop, so you may want to scout ahead before bringing your rig around it.
It is a unique park in that it accommodates large rigs in the Whitetail Flats Campground, horses in yet another campground, and the rest of us in Cedar campground. There is a 96-mile bike/hike trail that starts at the park.
We had a tremendous thunder/lightening storm one of the nights we were there, and a sad number of people in tents were throwing their entire tent away the next morning. It was scary enough surrounded by aluminum!
The signage from the highway is poor to non-existent. Our GPS brought us in through a long gravel road. We got there eventually, but it is much shorter driving through Medora.
My only complaint were the showers. It was nice to have them, but mine was far from clean. Other people mentioned they were clean so maybe I just hit a bad day. Otherwise, lovely place.

We loved having the opportunity to explore this area for a few days. Porcupine campground is near the summit area whether you come from Lovell or Dayton on Highway 14. Highway 14 has very steep grades.
The campground is awesome. Our site (3) was tucked in the trees which offered us some shade and protection from the wind. Other sites have beautiful views but are more exposed. Come prepared with any required amenities, you are truly in the wild out here.
We had reserved our spot, but there were multiple sites available while we were there. Medicine Wheel is a must see if visiting in the area. There are infinite other hiking options as well, including the nearby BigHorn Canyon.
I plan to return for a week next time. Low-key, quiet, and beautiful.

I understand the negative comments about the highway noise, but in practicality, it is a very narrow valley with very few places to camp. We really enjoyed it here. We were fortunate to have one of the riverfront spots, and admittedly, it made a big difference. My opinion would vary greatly if I had stayed in one of the pull-through sites that border the highway. The river "music" nicely counterbalanced any road noise.
This is dry-camping, with no internet or phone service at all. Big Sky is close by to access anything you need. Very big spaces, but it really didn't matter. We almost had the campground to ourselves in late June. There is a large parking lot at the north end where the rafts pull out, so it can get a little busy there. We really enjoyed it here and will hopefully be able to stay again.
My only hint... negative comment, is that the signage is POOR. There is no sign coming from the south and a very quick one from the north. Traffic does travel quickly through here and it made for some stressful moments figuring out where we were going.

We stayed a few nights at the Parkside Campground in a reserved site. We ended up moving over to Greenough campground for another five nights when an awesome non-reservable site opened up.
You can't go wrong here. We happened to have a lovely site on the creek, but the non-creek sites are wonderful too. In fact, the water was so fast when we were here, it was treacherous for wandering children and/or pets. A non-waterfront site would alleviate that stress.
There are four campgrounds all very close together, including Greenough and M-K and Limberpine. M-K is down a rough gravel road, so if that isn't your thing, don't choose that one. Greenough and Parkside are very similar. We quickly drove through Limber Pine, and it looked fine as well.
If all these campsites are full (all had openings when we were there over the 4th of July) there are many, many dispersed campsites in the area.
The Beartooth Highway is one of the most beautiful roads we have ever traveled. I strongly suggest leaving your trailer at the campground so you can enjoy the beauty as you navigate through multiple, tight, steep switchbacks. It is doable, but much more enjoyable without towing.
I highly recommend Parkside or Greenough. We would have stayed the full 16 days allowable if we had the time.

We wanted to camp here for one night to allow time to visit the nearby Bighole Battlefield. (which... if you haven't been there, is one of the most important, humbling, devastating, but also beautiful National Park/Battlefields we have been to.)
We enjoyed the campground so much we stayed an extra day. It is deeply wooded, slightly marshy in some areas (mosquitos). The trees offered some shade in an otherwise pretty open part of Montana. You can access May Creek from a trail in the back of the campground.
Great forest service campground. The sites at the entrance are huge. As you get deeper into the campground there is a loop of sites available.

Bring what you need. There is little in terms of amenities in either direction. Potable water. Pack out your own trash.

Would definitely stay here again.