Top 10 California State Parks in 2019-20. Sonoma Coast State Park. 2,602,686. Old Town San Diego Historic Park. 2,439,772.
Which California State Park Is Most Popular? You'll Never Guess
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Top 10 California State Parks in 2019-20. Sonoma Coast State Park. 2,602,686. Old Town San Diego Historic Park. 2,439,772.
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