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Trails Challenge 1
Parks & Gardens

Lace up for a free self-guided adventure across the East Bay's best trails. The Trails Challenge sends you hiking and biking through regional parks with thousands of fellow explorers each year.

Self-guided adventure
Free outdoor program
Annual community tradition
Scenic park exploration

Tips

🎣stocked trout fishing at Shadow Cliffs
🅿️park on Clara Street for easier hike access

Shadow Cliffs Regional Recreation Area

2500 Stanley Blvd, Pleasanton, CA 94566, USA

Free

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Trails Challenge - Outgoing