The  Hudson  river valley greenway is hereby designated to include the
  counties,  including  all  cities,  towns  and  villages   therein,   of
  Westchester,  Rockland,  Orange,  Putnam,  Dutchess,  Ulster,  Columbia,
  Greene,  Albany,  Rensselaer,  Saratoga  and  Washington;  provided  the
  greenway shall not include any area of Greene county within the Catskill
  park as defined in subdivision two of section 9-0101 of this chapter. In
  addition,  in  the city of New York the greenway shall include the areas
  of Bronx and New York counties that are  both  adjacent  to  the  Hudson
  River  and  included as of the effective date of this section within the
  boundaries of such city's  waterfront  revitalization  program  prepared
  pursuant  to article forty-two of the executive law. For purposes of the
  powers and duties of the council and conservancy  regarding  the  Hudson
  river  valley, such powers and duties shall be limited to the geographic
  area of the greenway as designated in this section.
Structure New York Laws
ENV - Environmental Conservation
Article 44 - Hudson River Valley Greenway
44-0105 - Hudson River Valley Greenway Communities Council.
44-0107 - Powers and Duties of the Council.
44-0111 - Greenway Heritage Conservancy for the Hudson River Valley.
44-0113 - Powers and Duties of the Conservancy.
44-0115 - State Agency Reports and Consistency.
44-0117 - Hudson River Valley Geographic Information Systems.