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San Antonio offers plenty of ways to explore while keeping sustainability in mind. From the River Walk and expansive green spaces to underground caverns and conservation-focused attractions, the city makes it easy to connect with nature.
In this guide, let's explore eco-friendly things to do in San Antonio, along with local initiatives that support more sustainable ways to travel.

San Antonio pairs its rich history and culture with a strong commitment to sustainability. Across the city, thoughtful initiatives help protect natural spaces while making it easier for visitors to explore responsibly.
Tree City of the World: San Antonio is the only Texas City recognized by the United Nations Food and Agriculture Organization and the Arbor Day Foundation. San Antonio aims to have 40% of our city covered with tree canopy by 2040.
Parks and Green Spaces: An extensive network of parks and green spaces offers plenty of opportunities to connect with nature, from neighborhood parks to large-scale outdoor destinations.
Bike-Friendly Infrastructure: The city continues to invest in bike-friendly infrastructure, including bike lanes, trails, and bike-sharing programs, making it easier for residents to commute sustainably and enjoy the benefits of active transportation.
The Good Traveler Program at the San Antonio International Airport (SAT): This partnered program allows passengers to reduce their carbon footprint by purchasing carbon credits. This initiative supports SAT’s environmental goals and the San Antonio River Foundation, promoting a more sustainable travel experience.

San Antonio enjoys more than 250 days of sunshine each year, making it an ideal place to explore the outdoors. Discover scenic trails, parks, conservation experiences, and sustainable dining options across the city.

The Mission Reach comprises the southern end of the San Antonio River. It is home to four of the five UNESCO World Heritage Site missions and 16 miles of trails for walking, biking, and even kayaking!
The San Antonio River Foundation has conducted extensive conservation efforts, turning the banks of this urban river into a thriving ecosystem.

San Antonio’s park system offers a wide range of outdoor experiences, from peaceful green spaces to expansive natural areas designed for hiking, biking, and exploring. Find a shaded spot to relax or get active and keep your body moving outdoors. There’s no shortage of places to get outside.
You’ll find everything from iconic parks like Brackenridge Park and the Japanese Tea Garden to innovative spaces like Confluence Park, and the Phil Hardberger Park and LB Tobin Land Bridge, which connects wildlife habitats across the city.
For scenic views and longer trails, spots like Government Canyon offer a deeper connection to the region’s natural landscape.
Explore even more parks, trails, and outdoor spaces across San Antonio and find the perfect place to spend your day.

Natural Bridge Caverns is named for the natural limestone bridge that marks the cavern’s entrance. Venture more than 180 feet below the surface to explore the largest cave system in Texas, where massive formations and winding passageways create an unforgettable underground experience.
The caverns maintain a steady 70-degree temperature year-round, making it a refreshing escape from the Texas heat and a unique way to explore one of San Antonio’s natural wonders.

The San Antonio Zoo is home to more than 3,500 animals and offers opportunities to connect with wildlife from around the world. Don’t miss Congo Falls, home to the zoo’s newly welcomed gorillas and one of its newest immersive habitats.
Beyond the exhibits, the zoo is deeply involved in conservation efforts, leading and supporting projects across three continents and throughout the United States, with a strong focus on Texas.

Many San Antonio restaurants, including Isidore, a MICHELIN-recognized restaurant, work with Texas farmers and fishermen to source locally grown ingredients. This approach gives diners a true taste of Texas while helping reduce the environmental impact of transportation.

San Antonio makes it easy to get outside and experience more of the city. Parks, trails, conservation efforts, and local dining all offer ways to explore with sustainability in mind.
Start planning your trip and discover San Antonio’s natural side.