Best Outdoor Adventures in St. Louis for Kids & Families

Looking for the best outdoor adventures in St. Louis for kids? As Gateway to the West with an incredible concentration of free attractions, St. Louis offers active experiences in nature that families won't find anywhere else. Whether you're visiting for the first time or looking for something new, we've rated every option for age-appropriateness, stroller access, and value so you can skip the guesswork.

Outdoor adventures with kids require more planning than solo trips. We rate each for difficulty level, minimum age, and what gear you'll need. Most importantly: we tell you the actual hiking distance, not the marketing version. In St. Louis, expect four seasons — hot humid summers, cold winters, gorgeous spring and fall. Pro tip: The St. Louis Zoo, Art Museum, Science Center, and History Museum are ALL free. This might be the best free family destination in America.

Below you'll find our curated list of outdoor adventures in St. Louis, MO — each with detailed age ratings (infants through teens), cost estimates for a family of four, and the practical parent details that matter: parking, stroller access, nursing rooms, and honest reviews of what makes each spot worth your time.