The Copperneedle River[1] originates within the northern Hearne Domain, Western Churchill province of the Churchill craton, the northwest section of the Canadian Shield in Nunavut's Kivalliq Region.

[2] There are rapids along the river, approximately 15 km (9.3 mi) from Hudson Bay's Dawson Inlet.

[3] The portion of the river near Southern Lake is part of the Beverly and Qamanirjuaq caribou range.

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