Alum Rock Park

#7 in San Jose · nature-outdoors

One of the state's oldest municipal parks in the east foothills: mineral-spring history, 51-plus miles of Diablo Range trails, and guided free walks; $6 vehicle entry.

Mentioned by timeout.com, lonelyplanet.com · verified 2026-11-12

Photo: Advyth Ramachandran (CC BY-SA) · source

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