"Ma'uka" -- Volcanoes & Deep Canyons - maui-mike
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The steep canyon walls of Manawainui Gulch open outward as they reach the shoreline at Manawainui, south Maui. The horizontal basaltic rocks of successive lava flows (terraces visible on canyon walls) are readily apparent. The floor of the canyon mouth is a thick alluvial fan deposit.

manuwainui gulch