The diocese forms a wide band stretching from just west of Thunder Bay on the northern shore of Lake Superior east to the border of Ontario and Quebec.

Neighbouring Anglican dioceses are Rupert's Land to the west, Moosonee to the north, Ottawa to the east, and Ontario, Toronto, Huron to the south.

Consisting of a large First Nations population, the primary focus of the new diocese was intended to be missionary activity combined with ministry to the growing European settlements in the Muskoka and Parry Sound areas around Lake Huron.

By the turn of the twentieth century, the demographics of the territory had shifted considerably, as mining and forestry attracted more European settlement.

[2] The mission of the diocese is "To share in the gathering work of Christ so that His newness of life overflows into our hearts, homes, churches, and community.

The newspaper has a mandate to share with the Algoma Anglican community about ongoing diocesan issues, news, and events.