Big Basin Redwoods State Park was created in 1902.
Portola Redwoods State Park was created in 1945.
Humboldt Redwoods State Park was created in 1921.
Jedediah Smith Redwoods State Park was created in 1929.
Henry Cowell Redwoods State Park was created in 1953.
Prairie Creek Redwoods State Park was created in 1925.
Navarro River Redwoods State Park was created in 1987.
Grizzly Creek Redwoods State Park was created in 1943.
Del Norte Coast Redwoods State Park was created in 1925.
Kodachrome Basin State Park was created in 1962.
The area of Portola Redwoods State Park is 11.331 square kilometers.
The area of Jedediah Smith Redwoods State Park is 40.469 square kilometers.
The area of Henry Cowell Redwoods State Park is 18.709 square kilometers.