The area of Old Town San Diego State Historic Park is 117,682.58476339199 square meters.
Olompali State Historic Park was created in 1977.
Historic Washington State Park was created in 1973.
Columbia State Historic Park was created in 1946.
McFarland State Historic Park was created in 1878.
Monterey State Historic Park was created in 1970.
The Barnacle Historic State Park was created in 1973.
Paynes Creek Historic State Park was created in 1978.
Mormon Station State Historic Park was created in 1955.
Bidwell Mansion State Historic Park was created in 1972.
Pio Pico State Historic Park was created in 1927.
Fort Ross State Historic Park was created in 1909.