San Antonio to Hot Springs: A Texas to Arkansas Road Trip

This 700-mile drive from San Antonio to Hot Springs roughly follows the Old Spanish Trail, a historic route that connected St. Augustine, Florida, to San Diego, California. The stretch through Texas and Arkansas is a rolling tapestry of Hill Country cedar brakes and Ouachita Mountain forests, punctuated by the Red River crossing near Denison.

Roads traveled: Interstate 35 north to Austin, then U.S. Route 290 and Interstate 14 through Waco and Killeen—not the most direct but full of character. Alternate U.S. Route 281 north skirts the eastern edge of the Edwards Plateau, a quieter corridor with fewer truck rigs.

Wondering how long to drive San Antonio to Hot Springs? Plan for about nine and a half hours of pure driving, but with recommended stops, give it two full days. The real question, is it worth driving San Antonio to Hot Springs?

For those who savor roadside diners, quirky small-town museums, and the gradual shift from Texas scrub to Arkansas pines, the answer is a resounding yes. Below is a quick reference for the route's high-level stats, placed here per our table rule.

Road quality: Interstate 35 through Austin can be congested during rush hours (7-9 AM, 4-7 PM). Construction zones near Temple and Waco are common. Arkansas highways (US 270 from Arkadelphia to Hot Springs) are well-maintained but two-lane, so overtaking requires caution.

For family and child suitability, consider stops like the Austin Nature & Science Center (free, hands-on exhibits), the Waco Mammoth National Monument (ice-age fossils), or the Dallas World Aquarium. Hot Springs offers the Magic Springs Theme Park, a full-day attraction for kids.

Pet-friendly framework: Many hotels along I-35 and in Hot Springs accept pets, but some charge extra fees. For a rest stop, the Red River Refuge near the Oklahoma border has a short walking trail ideal for dogs. In Hot Springs, the downtown dog park at the corner of Park and Orange streets is a reliable stop.

Fatigue management: Plan to rest every two hours. Ideal rest zones include the Bell County Expo Center rest area (exit 292 on I-35) and the Arkansas Welcome Center on I-30 near Texarkana. Both have clean restrooms, vending machines, and picnic tables. Avoid resting on rural shoulders—use designated areas only.

Hidden off-route spots: Just off US 190 near Waco is the town of West, famous for its Czech bakery, the Village Bakery. Another gem: the Old Mill at T.R. Pugh Memorial Park in North Little Rock, a functional 1930s grist mill featured in the opening credits of the film Gone with the Wind.

To discover more hidden treasures, check out our guide on how to find the best stops and hidden gems between cities. It’s full of strategies that turned a mundane drive into a memory.

Leaving San Antonio, the landscape is quintessential Texas Hill Country: rolling limestone hills dotted with live oaks and juniper. As you approach Austin, the Balcones Fault zone creates a dramatic escarpment, visible from the highway near the Colorado River crossing.

Further north, near Waco, the terrain flattens into Blackland Prairie, rich farmland that yields cotton and corn. Crossing the Red River into Oklahoma, you notice an immediate shift to dense pine forests—the southeastern extension of the Cross Timbers ecoregion. Arkansas's Ouachita Mountains then rise as folded ridges, cloaked in oak-hickory forests that turn fiery in autumn.

For UNESCO World Heritage Sites, this route offers one nearby: the San Antonio Missions, just south of your starting point. In Hot Springs, there is no UNESCO site, but the town itself is a National Park (Hot Springs National Park). The park’s historic bathhouses are listed on the National Register.

Local commerce thrives on the self-storage and antique economies. In Waco, the Magnolia Market draws crowds, but for authentic antiques, try the Waco Antique Center. Texarkana’s downtown has a twin-state border marker and small boutiques. Hot Springs’ Bathhouse Row is a commercial hub of artisan soaps, spa products, and crystal vendors.

Fuel costs vary considerably along this corridor. In Texas, gas prices are typically lower than the national average, especially in smaller cities like Waco and Killeen. As you cross into Arkansas near Texarkana, prices may spike by $0.10–$0.20 per gallon due to state taxes and transport costs.

A reasonable budget for a mid-sized sedan: about $85 one-way, assuming 30 mpg and $3.50 per gallon average. Gas stations cluster near major highway junctions: the I-35 corridor north of San Antonio, and along I-30 near Dallas. Beware of stretches between Waco and Hillsboro where stations can be sparse for miles.

Toll roads are minimal. Texas State Highway 130 is a tolled bypass east of Austin, but the main I-35 route is free. In Dallas, if you use the toll lanes on I-35 or I-35E, expect a small fee (variable by time). Hot Springs proper is toll-free.

Vehicle readiness: Ensure your AC is serviced—Texas summer heat is intense—and check your tires for the long, straight runs that can cause uneven wear. Arkansas’s winding roads near Hot Springs require good brakes.