Mauna Loa is Earth's greatest volcanic mass

Hawaii Volcanoes National Park contains Mauna Loa and Kilauea volcanoes.

Hawaii Volcanoes National Park is on the Big Island in USA.

Mauna Loa stands 4,170 meters above sea level.

Measured from the ocean floor, Mauna Loa is Earth's greatest volcanic mass.

Kilauea stands 1,250 meters tall and remains very active.

Volcanic eruptions continuously reshape the park’s landscape.

Rare birds and endemic species live in park forests.

Hawaii Volcanoes National Park covers almost 88,000 hectares.

In 2004, the park added the 47,000-hectare Kahuku Unit for protection.

Mauna Loa and Kilauea are sacred to Native Hawaiian culture.

The goddess Pelehonuamea lives in Halemaumau crater.

Nearly 73 percent of the park is designated wilderness.

The park became a Biosphere Reserve in 1980.

Park cooperates to conserve over 450,000 hectares of landscape.

Mauna Loa and Kilauea are two active volcanoes in Hawaii.