start of the lava tube on the Kahauale‘a flow, near rim of Pu‘u ‘Ō‘ō.
Detailed Description
A closer look at the start of the lava tube on the Kahauale‘a flow, near the rim of Pu‘u ‘Ō‘ō crater. See photo above for aerial view. Unfortunately a direct view of the lava stream was not available here.