Contra Costa County » Contra Costa
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| Kennedy Grove Regional Recreation Area | |
| Kennedy Grove Regional Recreation Area contains a three-mile hiking trail with an elevation of 760 feet (230 m). The Grove features many large eucalyptus trees, picnic areas, volleyball nets, playgrounds, and horseshoe pits. | |
| Contra Costa County | |
| Contra Costa County is a county located in the state of California, United States. It is situated in the East Bay region of the San Francisco Bay Area and covers an area of approximately 720 square miles. The county has a population of around 1.15 million people, making it one of the largest counties in the state. | |
