Kanohina may soon be the longest surveyed lava tube system in the world. The cave that the Kanohina system seems poised to supplant in the record books is on the other side of the Big Island.

Approximately 700,000 years ago when molten rock erupted from a vent in nearby Hart Prairie, the mile-long Lava River Cave was formed. Today, visitors can explore the cave's cool, dark expanse by ...

Jeju Volcanic Island and Lava Tubes together comprise three sites that make up 18,846 ha. It includes Geomunoreum, regarded as the finest lava tube system of caves anywhere, with its multicoloured ...

Kilauea began continuously releasing lava from its summit caldera inside Hawaii Volcanoes National Park on Wednesday morning ...

Originally formed in 1881 by lava flow from Mauna Loa, the caves are now accessible to visitors ... good traction as some areas are slick. Big Island Manta Ray Night Snorkel (4795 reviews) Big ...