PLUM ISLAND ECOTOURS AT THE BLACK COW RESTAURANT NEWBURYPORT,MA.       ECOTOURS: Enjoy a 2 1/2 hour, three river cruise aboard the 28 passenger vessel "JOPPA FLATS". The voyage meanders through miles of the GREAT MARSH within the PARKER RIVER NATIONAL WILDLIFE REFUGE. Vistas of outstanding beauty are yours to behold for this property is a world famous nature study destination. The refuge seasonally provides home to over 300 species of birds as well as numerous other wildlife. Keep in mind, as we ply through the estuaries that this piece of real estate is biologically one of the most productive on Planet Earth.                                       Bring your binoculars, cameras, lunch and weather gear if necessary, for you are about to embark on a journey few get to experience! These tours are dependent upon the tides, so for departure times please click here and to make a reservation call (603-682-2293)  ADULTS $30         CHILDREN $15