Pfeiffer Big Sur State Park is a state park in Monterey County, California, near the area of Big Sur on the state's Central Coast. It covers approximately 1,006 acres of land. The park is centered on the Big Sur River. It has been nicknamed a "mini Yosemite." A Redwood tree in the park nicknamed the Colonial Tree is estimated to be between 1,100 and 1,200 years old.