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
Low range for grades and mud, not for rock
Four-wheel drive earns its keep on the climbs out of the West Branch and Sinnemahoning valleys, on soft ground in spring, and on the administrative forest roads the Bureau of Forestry says may need a high-clearance vehicle with four-wheel drive and tire chains once hunting season starts.
It does not get you onto trails. The 908 miles of state ATV trail are closed to anything that is not a registered Class I or Class II machine. So a 4x4 shop here is doing gearing, recovery points, sealing and underbody work, plus trailer and tie-down jobs for people towing a machine to Sproul or Marienville.
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 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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