Three Flags RV Park

This is a no-nonsense, FHU RV park, not for long-term, really. It obviously makes its money during Sturgis M/C Rally in early August (a week long party). Rest assured that everything in the Black Hills is booked for that week. If you're not participating in the Rally that weekend, I recommend any other part of the country. 

There is a LOT of tent capacity, and about 40 RV sites. Sites are well-maintained, level, power and water is good, sewer hookups work properly. Laundry is well-cared-for, and clean. Showers are good, Bathrooms are with the showers. No Wifi streaming, Verizon is pretty slow, but acceptable. All RV sites are pull-thru and well-spaced. 

Cash only for Passport America, also accepts Good Sam and military veteran discounts. 

The owner is no-nonsense, but thoroughly likeable, and very flexible. Highway noise is not a problem most of the night, and we weren't bothered by rail noise all night (which is rare in the West). 

Park of gravel/grass mix, no real shade, but these are grasslands at the foot of the Black Hills, so almost no dust and dirt. Road in is well-upkept, but dirt. Do NOT wash your rig - water is scarce in these parts. 

We paid $23/night Passport America for three nights, and $45 for another (military). Otherwise, this is marginally affordable for us.

This is a very nice RV park which is super clean.  Most sites are pull through and the WIFI was decent at our spot.  We had a site with W/E only but there is a dump site and very clean restrooms.  The laundry room is also clean with 4 large washers and driers.  As mentioned previously, the only downside to this park is its proximity to the Interstate and the train tracks.  If noise bothers you then bring a good set of ear plugs for the night.  A bonus for us was it's a Passport America park.  Bring cash if you want the PA rate.  I highly recommend this park!

We stayed here for 2 nights. There were full hookups and E/W spots. There were plenty of hot showers, a dump station, laundry, and propane refills, plus a tiny store. The grassy spots were level. Everything was cleaned daily. The only downside was considerable road noise from the freeway, but a fan or A/C can drown that out.