Free Things to Do in San Antonio: River Walk & Missions

San Antonio lists ten free activities built around its river and four Spanish missions that mark the city as distinct from other major places around the world.

Travel costs rose sharply this summer, pushing residents and out-of-town guests toward no-fee options that still deliver the city's full historical mix of Spanish, Mexican and German influences along the same waterways used for centuries.

Walkers reach the San Antonio River Walk from street level at the intersection of Commerce Street and North Alamo Street, while the San Antonio Missions National Historical Park maintains free entry at Mission Concepción on Mission Road and at Mission San José on Roosevelt Avenue, where volunteer-led walks occur each Saturday at 10 a.m.

National Park Service records show the four missions drew 1.4 million visitors in 2025, nearly all of them using the free grounds and trails rather than paid tours.

River Walk Segments Offer Continuous No-Cost Access

The downtown stretch of the River Walk runs 2.5 miles between the Tobin Center and the Henry B. González Convention Center without any admission charge, letting people trace the original 18th-century acequia channels now lined with cypress trees. Further north, the 1.3-mile Museum Reach extension connects to the Pearl District via locks and public art installations installed in 2009. These linear parks differ from ticketed waterfront developments in other cities because the entire path stays open 24 hours and links directly to bus stops on Broadway and Navarro Street.

Mission Grounds Provide Living History Without Fees

Self-guided trails at the missions include preserved acequias, granaries and convento buildings that still function as active parish sites, a combination not replicated at other UNESCO locations. The park's 2026 summer schedule adds free evening programs at Mission Espada on Espada Road on the second Thursday of each month. Visitors who begin at the Alamo on Alamo Plaza can continue south on the River Walk to reach the missions by bike in under 45 minutes using the city’s shared-ride stations at no extra cost.

Start at the Alamo Plaza visitor center on a weekday morning, pick up a free map, and follow the marked route south to complete the core loop before afternoon heat builds.