Jedediah Smith Redwoods State Park is a state park of California, United States, preserving old-growth redwoods along the Smith River. It is located along U.S. Route 199 approximately 9 miles east of Crescent City. The park is named after explorer Jedediah Smith, and is one of four parks cooperatively managed as Redwood National and State Parks. The 10,430-acre park was established in 1929 and designated part of the California Coast Ranges International Biosphere Reserve in 1983.