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Nuclear facility - Blind River Refinery

The Blind River Refinery refines uranium concentrates, also known as yellowcake, to produce uranium trioxide (UO 3), which is a product of the nuclear fuel cycle. The UO 3 is then shipped the Port Hope Conversion Facility for further processing.

Main entrance to Cameco’s Blind River Refinery
Location: Blind River, Ontario
Licensee: Cameco Corporation
Facility type: Uranium refinery
Owner: Cameco Corporation
Status: Operating
Licence issued: March 1, 2022
Licence expires: February 28, 2032
Start of operation: 1983
Licensing documentation: Request a copy of the Blind River Refinery’s licence and licence conditions handbook by email at
Facility website: Blind River Refinery

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Licensees must report events and incidents involving licensed activities that could impact the health, safety and security of Canadians and the environment to the CNSC. Use the links below to find any information provided by this licensee, if any, as well as other public disclosures made by licensees.

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The CNSC oversees licensee emergency planning and works with other levels of government to ensure the health and safety of Canadians. We also conduct and review health studies on various areas associated with the production, possession or use of nuclear substances.

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