San Antonio to Cuatro Ciénegas, Mexico Road Trip

By admin, 30 September, 2026

The Wayro route from San Antonio to Cuatro Ciénegas is 338 miles (544 km), about 7 h 8 min of driving without stops. The U.S.–Mexico border is at about mile 143 on this route, near the Eagle Pass port of entry.

U.S. State Department travel advisory: Coahuila — Level 3, Reconsider TravelAdvisory issued May 29, 2026; checked September 29, 2026. Coahuila is the Mexican state that contains Cuatro Ciénegas. Check the full advisory for this state before you go.
Martyrs of Christ the King Cathedral, Piedras NegrasU.S.–Mexico borderSan AntonioCuatro Ciénegas
Route from San Antonio to Cuatro Ciénegas with the 1 stops listed below (blue dots) and the approximate U.S.–Mexico border crossing (red square).
Distance338 mi (544 km)
Driving time, no stops7 h 8 min
Main roads, in orderI-10 → I-35 → US-57 → MEX-57 → MEX-57D → COAH 50 → MEX-30
Border crossingabout mile 143 of this route, Texas → Coahuila (near the Eagle Pass, TX port of entry)
Mexican states on the routeCoahuila (Level 3)
Toll roadsMEX-57D
Fuel estimate (car at 25 mpg)about 13.5 gal; actual use varies by vehicle and traffic
Stops listed below1

Crossing into Mexico: what you need for Cuatro Ciénegas

PassportPassport book or passport card to enter Mexico by land
FMM entry permitRequired for this trip: Cuatro Ciénegas is well beyond the 12-mile (20 km) border zone where the permit is not needed
Temporary vehicle import permit (TIP)Required for a U.S.-registered vehicle this far into Mexico
Mexican auto insuranceRequired for all vehicles: buy a Mexican policy before you cross

Sources: U.S. State Department, Mexico travel information (updated August 11, 2026); permits are issued by Banjercito.

Crossing at Eagle Pass

Eagle Pass has two city-run bridges to Piedras Negras, Coahuila. Bridge I downtown serves pedestrians, cars and buses, while the Camino Real International Bridge adds commercial trucks, a SENTRI lane and direct access to Mexico's highway south toward Mexico City.

Sources: [1] [2] [3]

What the drive from San Antonio to Cuatro Ciénegas is like

MEX-57 (106 mi) and US-57 (99 mi) carry about 61% of the 338 miles. The U.S. part of the drive runs through Texas for about 143 miles; after the border at Eagle Pass you have about 195 miles left in Mexico. The Mexican leg uses MEX-57D, a toll highway (cuota). None of the 1 stops below is right on the road, so plan each as a short side trip.

The route from San Antonio to Cuatro Ciénegas, road by road

RoadRoute miles (from–to)Length, miState
local roads0–22Texas
I-102–1210Texas
I-3512–4533Texas
US-5745–14499Texas, Coahuila
local roads144–1528Coahuila
MEX-57152–18331Coahuila
MEX-57D183–21532Coahuila
MEX-57215–29075Coahuila
COAH 50290–2933Coahuila
MEX-30293–33845Coahuila
  • Mile 143 of this route: Texas → Coahuila (international border)

Stops between San Antonio and Cuatro Ciénegas

Martyrs of Christ the King Cathedral, Piedras Negras

Mile 147 · Cathedral · 2 mi from the route

The Martyrs of Christ the King Cathedral is the Catholic cathedral of Piedras Negras, a city in northeastern Coahuila on the border across from Eagle Pass, Texas.

When you get to Cuatro Ciénegas

Cuatro Ciénegas, a Pueblo Mágico about 80 km (50 miles) from Monclova, lies in a desert valley of central Coahuila some 740 meters above sea level. Around 500 springs feed clear pools, streams and lagoons, and white gypsum dunes rise nearby. Isolation has let plants and animals evolve here that live nowhere else, and the valley is on Mexico's tentative list for World Heritage.

  • Poza Azul: The turquoise water of this spring-fed pool has become the best-known image of Cuatro Ciénegas. source
  • Springs and pools of the valley: Roughly five hundred springs form pools, marshes and streams, home to ten endemic fish and eight endemic crustaceans. source
  • Dunas de Yeso: White gypsum dunes rise from the valley floor, a landscape UNESCO calls unique of its kind in Mexico. source

More drives to Cuatro Ciénegas

From San Antonio to other places in Mexico

All routes to Cuatro Ciénegas, border crossings and permits in one place: Driving to Cuatro Ciénegas, Mexico from the U.S.

Frequently asked questions

How long is the drive from San Antonio to Cuatro Ciénegas?

About 7 h 8 min of driving without stops, over 338 miles.

How far is Cuatro Ciénegas from San Antonio by car?

About 338 miles (544 km) on the Wayro route. Other map services may show a few miles more or less, depending on where they start and end in each city.

Where does the San Antonio to Cuatro Ciénegas drive cross into Mexico?

At about mile 143 of this route, from Texas into Coahuila, near the Eagle Pass port of entry.

Do I need a permit to drive my car from San Antonio to Cuatro Ciénegas?

Yes. A temporary vehicle import permit (TIP) is required for a U.S.-registered car this far into Mexico. You also need Mexican auto insurance and a passport book or card. An FMM entry permit is required too.

Is it safe to drive from San Antonio to Cuatro Ciénegas?

The U.S. State Department rates Coahuila Level 3: Reconsider Travel (advisory issued May 29, 2026). Read the full advisory before you go.

What roads does the drive from San Antonio to Cuatro Ciénegas use?

In order: I-10, I-35, US-57, MEX-57, MEX-57D, COAH 50 and MEX-30. The road-by-road table above shows the route miles and states for each one.

What are good stops between San Antonio and Cuatro Ciénegas?

Closest to the road: Martyrs of Christ the King Cathedral, Piedras Negras (cathedral, mile 147, 2 mi from the route). All stops are described above.

How we put this guide together

Wayro calculates the route from OpenStreetMap road data; mile numbers are positions along this route, not highway mile markers, and "from the route" distances are straight-line, so the real detour depends on access roads. Stops are chosen from parks, natural sites, museums, historic sites and attractions close to the route (roughly 2 to 7 miles depending on the type, farther for World Heritage sites): at least one strong stop for each stretch of the drive, then the best-known places nearest the road, with no more than five of one type, up to nine in all. Places that are closed, private or not open to visitors are removed. Place and city descriptions are written by the Wayro team from official park, museum, tourism and government websites and other published sources. Safety levels and entry rules were checked against the U.S. Department of State on September 29, 2026. Conditions change, so check the linked sources before you travel.

Route data © OpenStreetMap contributors.