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Mountain Spot
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The Sinks

92610

Irvine's own mini Grand Canyon is a 40-million-year-old limestone formation with dramatic valleys and sprawling peaks. Free docent-led tours are the best way to explore this wild, surprisingly rugged landscape.

Mini Grand Canyon
Limestone canyon hike
Free guided tours
Geological wonder

Tips

👨‍👩‍👧‍👦"wow visitors, young and old"
🥾about 9 miles, mostly unshaded
🎫pre-register online for tours

The Sinks

The Sinks, California 92610, USA