Northern Boundary: Beginning on the shores of Lake Superior at Montreal River, follow the Montreal River East to the Northeastern tip of the Aubinadong River.

Eastern Boundary: Beginning at Desbarats, in a Northern direction draw a horizontal line to Leebrun. From Leebrun draw a line in a Northeast direction to where Hwy 556 intersects with Hwy 129 at Ranger Lake. From the intersection of Hwy 556 and Hwy 129 follow the Aubinadong River North to the Northeastern tip of the Montreal River.

Southern Boundary: Beginning at Gros Cap, follow the Canadian/U.S. border through the St. Mary`s River, into Lake George at Echo Bay, past Sugar Island into the waters of Lake Huron. Follow the shoreline of St. Joseph Island beginning at Richards Landing, around the Southern tip of St. Joseph Island, past Hilton Beach and ending at Desbarats.

Western Boundary: Beginning at Gros Cap follows the shoreline of Lake Superior, North to the Montreal River.