The Hudson River School – The Metropolitan Museum of Art https://www.metmuseum.org/essays/the-hudson-river-school
Though the earliest references to the term “Hudson River School” in the 1870s were disparagingly aimed, the label has never been supplanted and fairly characterizes the artistic body, its New York headquarters, its landscape subject matter, and often literally its subject.
1825, Cole sailed for the Catskills, making sketches there and elsewhere along the banks