19 Forest Service, 4 Park Service, 4 Corps of Engineers and 1 BLM; 23 can be booked ahead
Keeping a camper working through a plains winter
Water systems are the first casualty. Custer State Park closes showers, flush toilets and other water systems between October 1 and April 30, and the Black Hills forest campgrounds charge fees only from about mid-May through October, which tells you how long the serviced season is. Ask a shop how they winterize and how they would set up a camper that is lived in rather than stored. Ask about heights too: five tunnels in Custer State Park are published to the inch and the smallest is 9 feet 9 inches high.
A camper van, truck camper or expedition vehicle has two sets of systems, and most mechanics only want one of them. RV and van service centers work on the living side: the 12-volt system, heat, water, ventilation and everything that leaks or rattles loose after a season of dirt roads.
Typical work
01House battery, charging, solar and inverter diagnosis
02Diesel and propane heaters, and water heaters
03Plumbing, pumps, tanks and winterizing
04Roof fans, air conditioning, windows and seals
05Appliance service and leak repair
How to choose a service center
These systems are brand-specific, and so is the training.
01Ask which brands of heater, battery and inverter they are trained on.
02Ask if they will work on owner-built or small-builder vans. Some will not touch wiring they did not install.
03Ask about turnaround in season. Service backs up in spring and summer.
04Bring documentation: a wiring diagram, a component list and photos from the build.
What to have ready before you ask for a quote
Model numbers save a phone call.
01The vehicle or camper, and who built it
02The components: battery type and size, inverter, heater model
03What it is doing, and when
04Photos of the installation
05Where and when you can drop it off
Questions people ask
My heater stopped working at altitude. Is it broken?
Maybe not. Fuel-burning heaters can struggle at high elevation and may need an altitude setting or kit, and they soot up if they only ever run on low. A service center that knows the brand can check it and set it up for where you camp.
Can a shop add solar or lithium to an existing system?
Usually, but lithium batteries need compatible charging from the alternator, solar and shore power. A shop should look at the whole system rather than swap the battery and hope.
How do I winterize a van?
Drain or protect anything that holds water: tanks, pump, lines, water heater and filters. How you do that depends on how the system was built, so ask the builder or a service center to show you once.
How high is South Dakota?
From Chamberlain at 1,407 feet to Black Elk Peak at 7,242.
Altitude decides what your engine, your brakes and your lungs have to work with, and how late in the year the passes open.
02,0004,0006,0008,000
Feet above sea level
Towns
CusterSupervisor’s office for the Black Hills National Forest, on US 385 with Custer State Park immediately east.5,313 ft
LeadThe highest town on this list, in the northern Hills directly below Terry Peak.5,209 ft
Hill CityOn US 385 in the central Hills, between the two loops of the Peter Norbeck Scenic Byway.4,985 ft
DeadwoodNorthern Black Hills town a few miles down the gulch from Lead, and a base for the forest roads under Custer Peak.4,536 ft
KeystoneAt the foot of Mount Rushmore, where Iron Mountain Road climbs south toward Custer State Park.4,336 ft
SpearfishNorth end of the Spearfish Canyon Scenic Byway, at the I-90 corner of the Black Hills.3,642 ft
Hot SpringsSouth end of the Hills on US 385. Fall River Ranger District office for Buffalo Gap National Grassland, with Wind Cave just north.3,447 ft
SturgisOn I-90 at the northeast edge of the Hills. The BLM’s Fort Meade Back Country Byway runs just south, and Bear Butte stands northeast.3,427 ft
Rapid CityThe hub for everything west river. Interstate 90 meets US 16 and SD 79 here, with the Black Hills west and the Badlands about an hour east.3,243 ft
Belle FourcheHome of the BLM South Dakota Field Office, which manages the state’s public land from here at the northern edge of the Black Hills.3,021 ft
BuffaloLast town of any size in the far northwest corner. The Forest Service works this country from a Sioux Ranger District office at Camp Crook, west of here.2,876 ft
WallI-90 Exit 110 at the north gate of Badlands National Park. Wall Ranger District office and the National Grasslands Visitor Center are on Main Street.2,827 ft
InteriorThe small town on the southeast side of the Badlands North Unit, and the lowest place on this list west of the Missouri.2,382 ft
PierreState capital on the Missouri River. Fort Pierre National Grassland starts about 24 miles south on US 83, and Oahe Dam is five miles north of Fort Pierre.1,479 ft
Sioux FallsLargest city in the state and the eastern gateway, where I-90 meets I-29.1,473 ft
ChamberlainWhere I-90 crosses the Missouri River, roughly the midpoint of a long day between Sioux Falls and Rapid City.1,407 ft
Passes, high roads and summits
Black Elk PeakThe highest point in South Dakota, inside the Black Elk Wilderness. No road to the top7,242 ft
Crooks TowerLimestone plateau country southwest of Lead, south of the head of Spearfish Canyon7,116 ft
Terry PeakThe landmark summit directly above Lead, in the northern Black Hills7,066 ft
Custer PeakNorth-central Black Hills, south of Deadwood6,808 ft
Spearfish Canyon, Cheyenne Crossing endSpearfish Canyon Scenic Byway: Spearfish and Cheyenne Crossing on US 14A5,300 ft
Bear ButteStanding alone on the prairie northeast of Sturgis, and a state park4,423 ft
Pass, road and summit elevations are the figures published by the agency that manages them. Town elevations are the town’s or county’s own
figure where it publishes an exact one; the rest are from the U.S. Geological Survey (3D Elevation Program at the place’s official coordinates),
retrieved September 18, 2026. Every source is listed at the foot of the page.
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