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Contra Costa County
Antioch

Contra-Loma Reservoir Dam at Contra Costa Canal

Discover
Places to see

Lakes

United States
California
Contra Costa County
Antioch

Contra-Loma Reservoir Dam at Contra Costa Canal

Highlight • Monument

Contra-Loma Reservoir Dam at Contra Costa Canal

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    June 11, 2025

    In the middle of Contra Loma Regional Park a dam holds back the water for a small reservoir. The trails circle the lake and are also a gateway into Black Diamond Mines Regional Preserve.

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      Elevation 20 m

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      Tuesday 4 November

      23°C

      16°C

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      Max wind speed: 4.0 km/h

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      Location: Antioch, Contra Costa County, California, United States

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