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Contra Loma Regional Park

Park managed by: East Bay Regional Park District

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750 acre Park managed by: East Bay Regional Park District

Hike this grassy habitat for rattlesnakes, see birds forage the lake, or take the family for a swim at the chlorinated swimming lagoon during summer.

This 780-acre park connects to the Black Diamond Mines Regional Preserve. Visitors can enjoy hiking trails, picnic areas and an 80-acre reservoir. The reservoir is open year-round for fishing, and in the summer months for swimming and wind surfing. Anglers can try their luck at catching catfish, black and striped bass, bluegill, trout, and red-eared sunfish

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