Riverside South is an urban development project in the Lincoln Square neighborhood of the Upper West Side of Manhattan, New York City, United States. Developed by the businessman Donald Trump in collaboration with six civic associations, the largely residential complex is on 57 acres of land along the Hudson River between 59th Street and …Riverside South is an urban development project in the Lincoln Square neighborhood of the Upper West Side of Manhattan, New York City, United States. Developed by the businessman Donald Trump in collaboration with six civic associations, the largely residential complex is on 57 acres of land along the Hudson River between 59th Street and 72nd Street. The $3 billion project, which replaced a New York Central Railroad yard known as the 60th Street Yard, includes multiple residential towers and a extension of Riverside Park.