Two miles of ocean beach beside them, and no trucks or vehicles allowed on that beach at all
What a 4x4 shop here should already know
That the hard part of Maryland is permission rather than terrain. The state defines a truck as an off-road vehicle, then exempts a vehicle registered with the Motor Vehicle Administration from buying the sticker, and then restricts everyone to designated trails on state forests and parks. A shop worth using can tell you which trails those are.
It should also know the one place a full-size rig has real room: Huckleberry Rocks at Wolf Den Run, where 6.5 of the 12.5 motorised miles are open to full-size vehicles, with a helmet requirement, a spark arrestor requirement and a reservation you carry on you.
A 4x4 shop is where parts become a working vehicle. Most sell and install the major brands, and the better ones will talk you out of parts you do not need. For overland use, ask them to think about reliability and weight rather than looks.
Typical work
01Differential gears and lockers
02Armor: bumpers, sliders and skid plates
03Winch and recovery point installation
04Lift, wheels and tires
05Lighting, compressors and wired accessories
How to choose a 4x4 shop
Ask about the unglamorous work.
01Ask what they drive and where. Shops that travel build differently from shops that only show.
02Ask about differential work specifically if you need gears or lockers. Setting up gears is a skill, and a bad setup is loud and short-lived.
03Ask how they wire accessories: fused, relayed, loomed and labeled, or tapped into whatever was nearby.
04Ask about weight. Every part they sell you is weight you carry forever.
What to have ready before you ask for a quote
Start from the problem, not the part.
01Year, model and drivetrain
02Tire size and any lift
03What you want the vehicle to do that it cannot do now
04What is already installed
05A budget range
Questions people ask
Do I need lockers?
For most dirt-road travel, no. Good tires at the right pressure and careful driving go a long way, and many modern 4x4s have capable traction control. A rear locker becomes worth it when you regularly cross terrain where a wheel leaves the ground.
Winch or no winch?
If you travel alone, a winch is the one recovery tool that does not need a second vehicle. It also needs a bumper that can carry it, a battery that can feed it, and practice. If you always travel with others, traction boards and a rope may be enough.
What should I do first?
Tires, then recovery points and basic recovery gear, then whatever your first few trips tell you is missing. Trips are cheaper than parts and much better at showing you what you need.
How high is Maryland?
From Snow Hill at 16 feet to Hoye Crest at 3,360.
Altitude decides what your engine, your brakes and your lungs have to work with, and how late in the year the passes open.
02,0004,000
Feet above sea level
Towns
McHenryDeep Creek Lake services, and where an ORV permit is sold2,482 ft
OaklandGarrett County seat, and the way in to Potomac-Garrett State Forest2,404 ft
GrantsvilleSavage River State Forest headquarters is two miles down New Germany Road2,309 ft
FrostburgOn the old National Road between the plateau and Cumberland2,063 ft
FriendsvilleThe northern Youghiogheny, near the Mill Run campground1,500 ft
FlintstoneGreen Ridge State Forest headquarters, where campsites are registered814 ft
CumberlandThe western end of the canal towpath and the last full-service city624 ft
HagerstownTires, parts and freight-road access for the whole Potomac valley542 ft
ThurmontThe gateway to Catoctin Mountain Park and its firewood rule519 ft
HancockThe narrowest point of the state, between the canal and the Pennsylvania line446 ft
SharpsburgAntietam and the Snyders Landing stretch of the canal418 ft
FrederickThe last big supply stop before the mountains going west283 ft
BerlinThe mainland town before the Assateague bridge and the sand permit36 ft
SalisburyThe service centre of the lower Eastern Shore26 ft
CambridgeBlackwater refuge and the Wildlife Drive are south of here18 ft
Snow HillPocomoke State Forest and the cypress swamp country16 ft
Passes, high roads and summits
Hoye CrestThe state high point, on the crest of Backbone Mountain in Garrett County. The USGS published figure; our own reading of the elevation surface at its map point gives 3,3683,360 ft
Meadow MountainOur own reading of the elevation surface at its map point. Its 12-mile trail carries the four-mile section open to off-road vehicles3,033 ft
East Shale Road, Meadow Mountain TrailThe I-68 corridor to New Germany Road, Savage River State Forest3,033 ft
Big Savage MountainOur own reading of the elevation surface at its map point, above Savage River State Forest2,970 ft
Dans MountainOur own reading of the elevation surface at its map point, in Allegany County2,892 ft
Margraff PlantationMargraff Plantation, Savage River State Forest2,800 ft
Town HillOur own reading of the elevation surface at its map point. The Green Ridge driving tour passes its 1931 fire tower2,029 ft
Catoctin MountainOur own reading of the elevation surface at its map point, in Frederick County1,877 ft
Green RidgeOur own reading of the elevation surface at its map point, the ridge the state forest is named for1,424 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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