About

Popham Island, nestled within the Thousand Islands region, is part of the scenic and historically rich area known as The Navy Group. This island belongs to Canada and is situated in the province of Ontario, specifically within the municipality of Leeds and the Thousand Islands. Popham Island’s coordinates are approximately 44° 20′ 43″ N latitude and 76° 02′ 20″ W longitude, placing it well within the renowned archipelago that straddles the Canada-US border.

Known informally at times as “Cat,” Popham Island is part of the intricate network of islands that make up the Thousand Islands region in Leeds and Grenville County. This area is celebrated for its natural beauty and is a key point of interest for visitors exploring the St. Lawrence River and its myriad islands. Each island in this region, including Popham Island, contributes to the unique charm and character of the archipelago that has captivated tourists and locals alike.

Island or Feature Name
Popham Island

Nationality
Canada

Centroid Lat/Long
44° 20′ 43″ N – 76° 02′ 20″ W

Two-Minute Box
44^22′ X 76^02′

Location and description
In or near The Navy Group

Former, informal, or alternate names
“Cat”

Municipality
Leeds and Thousand Is.

County
Leeds and Grenville

Province / State
ONT

Ports?

Book refs

1000islands.co ID #
941

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Data source.