Its highest point, known colloquially and by surveyors as "the Mountain," is near the centre of the island near Carterton with an elevation of 345.6 m, which is about 169 m above Lake Huron.

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About this map

Name: St. Joseph Island topographic map, elevation, terrain.

Location: St. Joseph Island, Jocelyn Township, Algoma District, Northeastern Ontario, Ontario, Canada (46.06113 -84.11427 46.31753 -83.77301)

Average elevation: 196 m

Minimum elevation: 171 m

Maximum elevation: 348 m

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