Palouse Falls State Park
AmericaColumbia RiverColumbia River PlateauConservationCouleeMissoula FloodsPalousePalouse FallsPalouse RiverPleistocene epochReservationSnake RiverUSAUnited StatesWashingtonWashtucnaadventurebasaltcanyonchanneled scablandsdesertdryenvironmentfallsgorgehikinglandscapenatureoutdoorsparkrecreationscablandsscenictourismtourist attractiontraveltripundiscoveredundiscovered americavacationwaterfall