national government park; government-managed park
A park established and managed by the national government, as opposed to prefectural or municipal parks.
A national government park is a park directly managed by the national government.
This national government park has seasonal flowers blooming across its vast grounds.
Prefectural park, managed by a prefecture rather than the national government.
Municipal park, managed by a city or town.
Compound of 国営 (national management) and 公園 (park).