Columbia

Columbia, county, southeastern New York state, U.S., bordered by Massachusetts to the east and the Hudson River to the west. The land rises from the Hudson valley to the Taconic Range along the Massachusetts border. Forests comprise a mix of northern hardwoods. Waterways include Kinderhook, Claverack, and Taghkanic creeks, as well as Roeliff Jansen Kill. In addition to Taconic State Park in the Taconic Range, there are parklands at Lake Taghkanic and along the Hudson...