The sand routes the low tide water back to the sea, Puerto Peñasco, Gulf of California, Mexico

sand ridges sand flats intertidal beach sand low tide littoral zone puerto penasco coastal feature mud flats gulf of california tidal water foreshore rock flats rocky point shoreline coastline rocky shore coast extreme terrain marine biomes crevices sea flowing solitude scenery ocean routes environment fluctuation flow relaxation refresh ecology rugged rock environmental conservation stream extreme ecosystem nature wildlife reserve geography moving mexico reflective climate biodiversity drastic change habitat cracks