Kahakuloa Head (Pu'u Koa'e) from the Kahekili Highway -- The waters of Kahakuloa Bay are in the foreground. The hill is an eroded pale-white trachyte lava dome formed during cycles of quiet flows alternating with explosive eruptions of cinders.

Kahakuloa Head (Pu'u Koa'e) from the Kahekili Highway -- The waters of Kahakuloa Bay are in the foreground. The hill is an eroded pale-white trachyte lava dome formed during cycles of quiet flows alternating with explosive eruptions of cinders.