Hello! I'm Outgoing.I help make life more interesting.
Hello! I'm Outgoing.I help make life more interesting.




Historic Mineral Springs Grotto
Alum Rock
Wander through stone grottos built by 1890s masons to showcase bubbling mineral springs. The sulfur-scented waters once drew health-seekers from across California. Now it's a peaceful canyon escape where deer wander and one spring still flows for the curious.
Historic stone grottos
Quiet canyon escape
Nature hiking trails
Wildlife spotting
Tips
🦌deer sightings common, especially fall mornings
💧one spring still accessible for water
👃expect a faint sulfur smell near the grottos
Historic Mineral Springs Grotto
Alum Rock




Wander through stone grottos built by 1890s masons to showcase bubbling mineral springs. The sulfur-scented waters once drew health-seekers from across California. Now it's a peaceful canyon escape where deer wander and one spring still flows for the curious.
Historic stone grottos
Quiet canyon escape
Nature hiking trails
Wildlife spotting
Tips
🦌deer sightings common, especially fall mornings
💧one spring still accessible for water
👃expect a faint sulfur smell near the grottos