Thing to Do

Hike Kīlauea Iki

Hawaiʻi Volcanoes National Park

Volcanic crater with a large cinder cone on the left-hand side and a larger mountain beyond.
Kīlauea Iki

Hawaiʻi Volcanoes National Park

A graphic of a no symbol over a person stacking rocks

Leave rocks in their rightful place.
Park staff may use ahu (stacked rocks) to mark some trails and keep visitors safe. Please do not create new ones. The stacking of rocks can be culturally offensive, disorienting to hikers, and potentially against the law.

Read more about one of the most striking eruptive events of the 20th century

Last updated: June 15, 2021