Sites / Canada

McArthur River / Key Lake

Name: McArthur River / Key Lake
Address: Saskatchewan, Canada

Uranium mine / mill · Saskatchewan, Canada · operated by Cameco Corporation (CCJ)

Status

Operating

Production (2024)

7,808 tU

Resources

390 Mlbs U₃O₈

Grade

6.9% U₃O₈

Published figures

Estimated

Production (2024)	7,808 tU	source
Resources	390 Mlbs U₃O₈	source
Grade	6.9% U₃O₈	source
AISC	$38/lb	source
Deposit type	Unconformity	source
Mining method	Conventional Underground	unsourced

Highest-grade uranium mine in the world; #1 producer in 2024 (13% of world output)

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Coordinates are approximate. Figures are curated from company filings, technical reports and the World Nuclear Association, with a citation per figure; unsourced values are flagged, not hidden. Informational only — not investment advice.

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