Four-wheel drive is always required beyond mile 5. The seashore protects about 66 miles of coast
When a guide earns the money
Two cases stand out. The River Road is 51 miles with no way off in the middle, currently in very poor unmaintained condition, and regularly impassable after rain. The unmaintained roads of Big Bend Ranch need a permit, two vehicles by the state’s own recommendation, and self-rescue gear on ground that is not patrolled on a regular basis.
A guide is also worth it for the beach. Knowing where the sand goes soft between mile 5 and mile 60 at Padre Island is local knowledge, and the park will not tow you.
A guide earns the fee in the places where the map runs out of detail. They know which wash flooded last week, which gate is locked, where the fuel is, and how long the hard section really takes with a group.
A guided trip usually brings
01Route knowledge and current conditions
02Permits and access already arranged
03Recovery skill and equipment
04A pace that suits the group
05The history and natural history of the place
How to choose a guide
Ask the questions a land manager would.
01Ask whether they hold the permits and insurance required to operate commercially on the land they use.
02Ask about group size and the minimum vehicle requirements.
03Ask what is included: meals, camping gear, communications, a support vehicle.
04Ask about first-aid training and the plan for emergencies.
What to tell a guide
Honesty about experience makes for a better trip.
01Your vehicle and what has been done to it
02Your experience off pavement
03Who is coming, including children and dogs
04Your dates, and what you most want to see
Questions people ask
Do I need a guide?
Not for most travel. A guide earns the fee on routes that are remote, technical or hard to get permits for, and on first trips where you would rather learn than guess.
Can I join a guided trip in my own vehicle?
That is how most overland guiding works. The guide leads in their vehicle, you drive yours, and the trip sets minimum requirements for the vehicles that come.
How high is Texas?
From Port Aransas at 6 feet to Guadalupe Peak at 8,749.
Altitude decides what your engine, your brakes and your lungs have to work with, and how late in the year the passes open.
02,0004,0006,0008,00010,000
Feet above sea level
Towns
Fort DavisIn the Davis Mountains at the start and finish of the 75-mile loop drive Texas Parks and Wildlife describes through the range.4,896 ft
AlpineOn US 90 with the Amtrak and bus stops, 100 miles from Big Bend park headquarters. State Highway 118 runs south from here to Study Butte.4,477 ft
MarathonOn US 90 at the top of US 385, 70 miles north of Big Bend park headquarters. FM 2627 leaves here for Black Gap, 55 miles south.4,044 ft
Van HornOn I-10 where State Highway 54 runs north toward Guadalupe Mountains National Park. Last interstate services before that corner of the state.4,044 ft
El PasoFar west corner, where I-10 meets the border. Franklin Mountains State Park sits inside the city, and the Trans-Mountain Highway crosses it.3,713 ft
AmarilloWhere I-40 and I-27 meet in the Panhandle. Lake Meredith and its two off-road areas are north, Palo Duro and Caprock Canyons south and southeast.3,670 ft
CanyonAt the gate of Palo Duro Canyon State Park on Park Road 5, where the Civilian Conservation Corps road drops to the canyon floor.3,543 ft
Fort StocktonWhere I-10 meets US 285 and US 385. The nearest EV charging to Big Bend, 130 miles out, and one of three towns with major shopping near the park.2,973 ft
TerlinguaStudy Butte and Terlingua sit between Big Bend’s west entrance and the Barton Warnock Visitor Center at the east end of Big Bend Ranch. Fuel and diesel.2,890 ft
PresidioWest end of FM 170 and the Fort Leaton entrance to Big Bend Ranch. Fuel, and the only local extraction and mechanic service for the ranch.2,581 ft
QuitaqueAt Caprock Canyons State Park and the Trailway, 100 miles southeast of Amarillo in Briscoe County.2,577 ft
Del RioOn US 90 at Amistad National Recreation Area, and the nearest full-service town to the Devils River State Natural Area.965 ft
HuntsvilleOn I-45 at the Sam Houston National Forest, 50 miles north of Houston, beside the only OHV trail in the national forests of Texas.371 ft
LufkinHeadquarters of the National Forests and Grasslands in Texas, and the service town between the Angelina, Sabine and Davy Crockett forests.313 ft
Corpus ChristiThe mainland base for Padre Island National Seashore. Last full services before the causeway and the 60 miles of drivable beach.7 ft
Port AransasOn Mustang Island, where the city sells the beach parking permit for markers 0 to 62 and allows camping on the sand.6 ft
Passes, high roads and summits
Guadalupe PeakThe highest point in Texas, in Culberson County. No road reaches it8,749 ft
Mount LivermoreHigh point of the Davis Mountains, inside the 75-mile loop out of Fort Davis8,338 ft
El CapitanThe cliff at the south end of the Guadalupe escarpment, above the Williams Ranch road8,095 ft
Emory PeakThe high point of the Chisos Mountains, in Big Bend National Park7,818 ft
Panther PassThe saddle the Chisos Basin Road crosses on its 6 paved miles into the basin5,778 ft
Trans-Mountain Highway summitTrans-Mountain Highway, Franklin Mountains State Park5,120 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.
