Matsushima Prefectural Natural Park was created on 1902-09-09.
Akkeshi Prefectural Natural Park was created in 1955.
Esan Prefectural Natural Park was created in 1961.
Kasagiyama Prefectural Natural Park was created in 1964.
Okuhino Prefectural Natural Park was created in 1994-12.
Hokusetsu Prefectural Natural Park was created in 2001-08.
Asahiyama Prefectural Natural Park was created on 1940-09-13.
Wanitsuka Prefectural Natural Park was created on 1961-03-31.
Irabu Prefectural Natural Park was created on 1995-09-01.
Osuzu Prefectural Natural Park was created on 1958-09-01.
Ontake Prefectural Natural Park was created on 1952-03-03.
Akune Prefectural Natural Park was created on 1953-03-31.
Shōtaisan Prefectural Natural Park was created on 1955-04-01.