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Hawaiʻi Volcanoes National Park
IUCN category II (national park)
Pāhoehoe and Aa flows at Hawaii.jpg
Pāhoehoe and ʻaʻā lava flows
Map showing the location of Hawaiʻi Volcanoes National Park
Map showing the location of Hawaiʻi Volcanoes National Park
Location in the Hawaiian Islands
LocationHawaii County, Hawaii, United States
Nearest cityHilo
Coordinates19°23′N 155°12′WCoordinates: 19°23′N 155°12′W
Area323,431 acres (1,308.88 km2)
EstablishedAugust 1, 1916
Visitors1,116,891 (in 2018)
Governing bodyNational Park Service
WebsiteOfficial website 

CriteriaNatural: viii
Reference409
Inscription1987 (11th session)

Hawaiʻi Volcanoes National Park, established on August 1, 1916, is an American national park located in the U.S. state of Hawaii on the island of Hawaii. The park encompasses two active volcanoes: Kīlauea, one of the world's most active volcanoes, and Mauna Loa, the world's most massive shield volcano. The park provides scientists with insight into the birth and development of the Hawaiian Islands, and ongoing studies into the processes of volcanism. For visitors, the park offers dramatic volcanic landscapes, as well as glimpses of rare flora and fauna.

In recognition of its outstanding natural values, Hawaiʻi Volcanoes National Park was designated as an International Biosphere Reserve in 1980 and a World Heritage Site in 1987. In 2012, the park was depicted on the 14th quarter of the America the Beautiful Quarters series.

On May 11, 2018, the park was closed to the public in the Kīlauea volcano summit area, including the visitor center and park headquarters, due to explosions and toxic ash clouds from Halemaʻumaʻu, as well as earthquakes and road damage. Portions of the park, including the visitor center, reopened to the public on September 22, 2018. As of 2020, most of the park is open; however, some road segments and trails as well as the Jaggar Museum of the Hawaiian Volcano Observatory remain closed to visitors.

Eruptive activity, ground collapses and explosions in the park ceased in early August of 2018, and the lull in eruptive activity at Kīlauea continues.

Environment