The Spring Lake Preserve: A Hidden Gem for Hikers and Birdwatchers|
https://localirvingcityguide.clarionvale.com/posts/the-san-marcos-area-where-the-waterway-flows-glass-clear-365-days-a-year
Discover Spring Lake's Natural Area in San Marcos—252-acre spread of footpaths, wildflower flats, and woodlands above the River origin