Spring Lake: A Best-Kept Secret for Hikers and Nature Lovers|
https://irvingfamily-trips.hexaforgey.com/posts/smtx-for-families-underground-wonders-recreation-areas-and-river-fun
Uncover Spring Lake Natural Area in The Mermaid City—252 acres of footpaths, meadows, and tree-covered hills above the San Marcos River headwaters