Contra Loma Regional Park

California, United States
This 780-acre park has a reservoir open all year for fishing, and a lagoon for swimming in the summer.  This is a great place for hiking, biking, and nature study.
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Contra Loma & Black Diamond Mines
by szr on Sep 10, 2011
West Hartley, California, United States
13.9 miles
contra Loma trial run
by ldyvalerie on Aug 11, 2010
Antioch, California, United States
3.0 miles
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by frhuey on May 18, 2010
West Hartley, California, United States
4.1 miles
Randy & Wissem did a fun loop on the Old Homestead trail with lots of wildflowers along the way.

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