Thousand Islands places in Jefferson County, New York

Thousand Islands places in Jefferson County, New York

Jefferson County, New York has 412 places in our data. The list below has 412 places: 259 islands, 16 island groups, 23 points, 26 bays, 25 shoals and bars, 4 creeks and rivers, 2 channels, 5 lighthouses, 10 parks, 19 towns and localities, 23 other features. The largest with a measured area is Wellesley Island (3,305.2 ha); 127 of the islands have a measured area.

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