San Leandro event
Castle Rock State Park
- Date
- Monday, September 28, 2026
- Time
- 6:00 AM PDT to 6:00 AM PDT
- Location
- Castle Rock State Park, South Bay + Peninsula
- Area
- South Bay + Peninsula
- Source
- Weekly Hike
Castle Rock State Park is this week's San Leandro Daily outdoor pick from the South Bay + Peninsula rotation. Before heading out, check current park hours, closures, parking rules, fees, weather, and trail conditions. Trail info: https://www.parks.ca.gov/?page_id=538 Catalog source: https://dothebay.com/p/best-trails-and-hiking-spots-bay-area-open-near-me