About

Big Blanket Island is located within the Thousand Islands region, an area known for its scenic beauty and unique geography, situated along the border between the United States and Canada. This island is positioned within the United States portion of the Thousand Islands and falls under the jurisdiction of Clayton, a municipality in Jefferson County, New York.

The Thousand Islands region is renowned for its collection of over 1,800 islands scattered across the St. Lawrence River. The islands range in size and character, offering diverse natural landscapes and habitats. While specific details about Big Blanket Island are limited, its placement within this iconic region highlights its potential as a part of the area’s rich ecological and cultural tapestry.

Island or Feature Name
Big Blanket Island

Nationality
US

Centroid Lat/Long

Two-Minute Box

Location and description

Former, informal, or alternate names

Municipality
Clayton

County
Jefferson

Province / State
NY

Ports?

Book refs

1000islands.co ID #
80

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Data source.