About

Dumfounder Island, nestled in the Canadian waters of the Thousand Islands region, is a captivating part of the Lake Fleet Group. This island, also known informally as “Dumbfounder,” lies within the boundaries of the municipality of Leeds and the Thousand Islands, in the province of Ontario. Its precise coordinates are 44° 18′ 18″ N and 76° 06′ 39″ W, placing it in the picturesque landscape of Leeds and Grenville County.

As part of the Thousand Islands, Dumfounder Island shares its natural beauty with a vast archipelago that straddles the Canadian and United States border. This region is renowned for its scenic waterways and is a favored spot for boating and outdoor enthusiasts. Dumfounder Island, with its unique name and location, contributes to the rich tapestry of islands that make this area a geographical wonder.

Island or Feature Name
Dumfounder Island

Nationality
Canada

Centroid Lat/Long
44° 18′ 18″ N – 76° 06′ 39″ W

Two-Minute Box
44^20′ x 76^06′

Location and description
In or near The Lake Fleet Group

Former, informal, or alternate names
“Dumbfounder”

Municipality
Leeds and Thousand Is.

County
Leeds and Grenville

Province / State
ONT

Ports?

Book refs

1000islands.co ID #
325

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Data source.