the grand canyon of the pacific

ale alkaline america arch basalt blue calc canyon clouds coast collapse cruise depression erosion fault fertile floor forest geology grand hawaii hawaiian hiking incision island kalalau kauai koke landmark lavas makaweli mount mountain napali natural niihau northwest olokele pacific park pride rainfall red reddish river rock rocks sea ship side sky slope state tholeiitic tour trails travel trees unique united usa vacations valley vegetation view vistors volcano wai waimea water weathered western wilderness