2.1 percent of Pennsylvania. Forest Service 514,183, Park Service 53,876, Defense 24,840, Fish and Wildlife 15,897, and the Bureau of Land Management none at all
Established in 1923 in the north-west corner. The Congressional Research Service counts 514,183 Forest Service acres statewide, effectively all of it this one forest
Somerset County, inside Forbes State Forest. A 3D Elevation Program query at the USGS coordinates returns 3,209 feet. The low point is sea level on the Delaware
Of Pine Creek Gorge, the Grand Canyon of Pennsylvania 26
18 mi
A 12,163-acre natural area, over 1,000 feet deep from rim to creek and more than a mile wide in places. A National Natural Landmark since 1968
Acres in Sproul, the largest state forest district 17
305,450
Slightly more than 476 square miles, in western Clinton and northern Centre counties, with more than 300 miles of road inside it
Acres in Delaware Water Gap National Recreation Area 52
70,000+
The largest block of Park Service ground in the state, with 40 miles of the Middle Delaware National Scenic and Recreational River and over 20 miles of Appalachian Trail
Tier 1 already bans motorhomes, motorcycles and any passenger vehicle towing a trailer. Tier 5 leaves the road to emergency responders
What Pennsylvania asks of a build
Build for gravel distance and wet ground, not for altitude or rock. The towns here run from 493 feet at Milford to 2,178 at Somerset. What tests a vehicle is a hundred or two hundred miles of forest road in a district with no services.
Width is the other brief, and it is decided for you. Nothing built on a full-size platform will ever be legal on Pennsylvania’s 908 miles of ATV trail, because the state classes machines at 50 and 64 inches. Put the money into range, underbody protection, a real spare and a comfortable seat, and treat the state forest road network as the trail.
A builder plans and installs the whole system rather than one part of it: suspension matched to the finished weight, protection where the vehicle actually touches the ground, electrical power sized to what you run, and storage, water, sleeping and recovery points that work together. The good ones start with how you travel and work backward to parts.
The work that matters most is the work you cannot see. Wiring that is fused, labeled and documented. Fasteners that stay tight on washboard. A finished weight that stays inside what the vehicle is rated to carry.
Most full builds cover
01Suspension and tires chosen for the loaded weight
02Bumpers, sliders, skid plates and rated recovery points
03House battery, charging, solar and lighting
04Storage, drawers, fridge and water
05Sleeping: a roof tent, a camper or an interior platform
06Mounts for communications and navigation
How to choose a builder
Any shop can show you a finished truck in good light. These questions tell you how it was built.
01Ask to see finished builds on your platform, and talk to an owner who has put miles on one if you can.
02Ask what the vehicle will weigh when it is done and how that compares to its gross vehicle weight rating. A builder who cannot answer has not done the math.
03Ask who does the electrical work and whether you get a wiring diagram at handover.
04Ask what is done in house and what is sent out.
05Get the scope, the parts list, the price and the payment schedule in writing before work starts, and ask how changes are handled.
06Ask what warranty covers their labor, separate from the manufacturers' warranties on parts.
What to have ready before you ask for a quote
A builder can only quote what you can describe. The form on this page asks for exactly these things, which is why a quote that comes back from it is worth something.
01Year, model, engine and drivetrain, and for vans the wheelbase and roof height
02What has already been done to it
03How you travel: weekends or months, how many people, which climates, how far from pavement
04What you need to carry: water, fuel, bikes, boats, tools
05A budget range and a date you would like it back
Questions people ask
How much does an overland build cost?
It depends on scope more than on the vehicle. Suspension, tires and a roof tent is a different project from a full electrical system with cabinetry and armor, and labor is usually the largest part of a full build. The only number worth planning around is a written quote against a defined scope, which is what the form on this page is for.
How long does a build take?
Bolt-on work can be days. Full builds take longer, and at busy shops the wait for a start date can be longer than the work itself. Ask every shop for both numbers: when they can start and how long they need the vehicle.
Should I build in stages or all at once?
Stages work if the order is right. Decide the finished load first, because springs chosen for an empty truck will be wrong for a full one. Run electrical before interiors go in, because pulling cabinets to add a wire is paying for the same work twice.
Will modifications affect my warranty or insurance?
They can. Ask the builder which work they have seen raise warranty questions on your platform, read your warranty terms, and tell your insurer what has been added so the build is covered for its real value.
How high is Pennsylvania?
From Milford at 493 feet to Mount Davis at 3,213.
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
SomersetSomerset County at 2,178 feet, the highest county seat in this guide. Mount Davis, the state high point, is south of town in Forbes State Forest.2,178 ft
KaneOn US 6 at 2,031 feet, between the Longhouse byway and Kinzua Bridge State Park. The highest town in the northern half of this guide.2,031 ft
MarienvilleForest County, and the town the 14-mile Marienville ATV and off-highway motorcycle trail is named for. Forest Road 401 runs to its trailhead.1,735 ft
CoudersportPotter County seat and the Susquehannock State Forest district office, which runs 170 miles of forest road and the 43-mile Susquehannock ATV trail.1,653 ft
BradfordMcKean County, on the north edge of the Allegheny National Forest. The Bradford Ranger Station is one of the stops on the Longhouse byway loop.1,449 ft
RidgwayElk County seat on the Clarion River, between the south end of the Allegheny National Forest and the elk range.1,422 ft
GaletonOn US 6 in the gap between the Susquehannock and Tioga forests, one county west of where the Northcentral Regional ATV Trail puts its preferred route.1,318 ft
WellsboroTioga State Forest district office. Route 660 runs ten miles west and dead ends at the east rim of Pine Creek Gorge.1,303 ft
WarrenAllegheny National Forest supervisor’s office, on the Allegheny River below Kinzua Dam. Last full-service town before the reservoir road system.1,186 ft
EmporiumCameron County seat and the Elk State Forest district office. West end of the 75-mile Bucktail drive on PA 120.1,025 ft
McConnellsburgFulton County seat and the Buchanan State Forest district office, near the Martin Hill and Sideling Hill ATV trails.886 ft
RenovoClinton County, on the Bucktail drive in the middle of Sproul, the largest state forest district in Pennsylvania.661 ft
HuntingdonRothrock State Forest district office, and the nearest town of size to Raystown Lake and its Corps of Engineers campgrounds.633 ft
Lock HavenWhere the Bucktail drive ends and the Elk Scenic Drive picks up, on the West Branch of the Susquehanna at 560 feet.560 ft
WilliamsportLycoming County, the largest town near Tiadaghton State Forest and its 260-plus miles of road. Real service before the plateau.520 ft
MilfordPike County, the Delaware State Forest district office and the north end of Delaware Water Gap National Recreation Area, where US 209 runs the Pennsylvania bank.493 ft
Passes, high roads and summits
Mount DavisThe highest point in Pennsylvania, in Forbes State Forest in Somerset County. A 3D Elevation Program query at the USGS coordinates for the summit returns 3,209 feet3,213 ft
Mount DavisMount Davis and the Forbes tracts: Fifteen separate tracts across Fayette, Somerset and Westmoreland counties, south of Somerset3,213 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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