Sado-Yahiko-Yoneyama Quasi-National Park
Sado-Yahiko-Yoneyama Quasi-National Park is a Quasi-National Park in Niigata Prefecture, Japan. Designated on 27 July 1950, it has an area of 29,364 ha. It is rated a protected landscape according to the IUCN.
Like all Quasi-National Parks in Japan, the park is managed by the local prefectural governments.