Spring Lake Natural Area: A Secret Treasure for Trail Lovers and Nature Lovers|
https://irvinghidden-places.rivetgarden.com/posts/the-mermaid-city-for-all-ages-underground-wonders-playgrounds-and-paddling-time
Explore The Spring Lake Preserve in San Marcos—hundreds of acres of footpaths, meadows, and woodlands above the San Marcos River birthplace