- largest high-grade uranium milling operation in the world
- production capacity of 18.7 million pounds U3O8 annually
- the Key Lake and McArthur River operations together employ approximately 750 people
- operated by Cameco
- began processing ore from McArthur River in January 2000
- ore transported for milling over an 80-kilometre, all-weather road
- located 570 kilometres north of Saskatoon by air on the southern rim of the uranium-rich Athabasca Basin
- nearest village by road is Pinehouse, 220 kilometres south of Key Lake
- seeking approval to remill two recyclable products from the Blind River and Port Hope facilities Project proposal
- achieved International Standards Organization (ISO 14001) Certification in 2003