1991 to 2020 normals: 50 inches in the north, about 65 along the coast
RV and van service around the lakes
Most overnight federal capacity in this state is Corps of Engineers lakeside campgrounds, which means shore power, water and dump stations are easier to find than in drier states. Service work follows the climate: air conditioning capacity, roof sealant, window and hatch seals, and damp ingress anywhere a fastener passes through skin. If you run the Trace, remember it caps you at 55 feet and 14 feet and that none of its three campgrounds has hookups, so tank capacity and generator manners both matter.
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 Mississippi?
From Gulfport at 20 feet to Woodall Mountain at 806.
Altitude decides what your engine, your brakes and your lungs have to work with, and how late in the year the passes open.
02,000
Feet above sea level
Towns
Holly SpringsChewalla Lake and the north unit of the forest605 ft
IukaNearest town to Woodall Mountain and the Tennessee River corner570 ft
OxfordHolly Springs forest office and the Yalobusha unit507 ft
ForestBienville forest office; Marathon Lake lies south east479 ft
MeadvilleHomochitto forest office; Clear Springs is five miles west314 ft
JacksonForest Supervisor’s Office; the Trace is busy at rush hour here278 ft
TupeloParkway visitor centre and the way in to Tombigbee forest277 ft
WigginsDe Soto Ranger District office; gateway to Black Creek260 ft
VicksburgCorps district town, the 16-mile tour road and the river bluffs242 ft
NatchezMilepost 0 on the Trace and the south end of the river byways215 ft
WaynesboroChickasawhay country: Turkey Fork, Little Tiger and Longleaf191 ft
HattiesburgLargest services before the De Soto and Camp Shelby country164 ft
New AugustaTurn for Rattlesnake Bay and the Black Creek Wilderness111 ft
Rolling ForkDelta Ranger District office and Delta trail permits106 ft
Ocean SpringsDavis Bayou, the only drive-in Gulf Islands area in the state21 ft
GulfportShip Island ferry and the west end of the Gulf Coast byway20 ft
Passes, high roads and summits
Woodall MountainThe state high point, in Tishomingo County. Our own reading at the summit point gives 805 ft806 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.
Free build quotes
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