Along the coast of Maine are places where, twice each day, rivers flow backwards and then forwards in an everchanging diorama of freshwater, saltwater, rollocking rapids and tranquil calms. These are the eight “tidal” or “reversing” falls, found where rivers and bays make a narrow passage to meet the sea. https://youtu.be/QlJZdD5BK0A These places are not many. In read more Experience the Rare Wonder of Maine’s Reversing Falls