Cinder cones on the flank of the Haleakala volcano, Maui

Cinder cones on the flank of the Haleakala volcano, Maui
Cinder cones on the flank of the Haleakala volcano, Maui Haleakala is a dormant volcano on the Hawai'ian island of Maui. On its flanks are numerous cinder cones, volcanic constructs built of pyroclastic material explosively ejected from a vent. University of Wisconsin, Madison