Cigar Lake

  • Cigar Lake is the world's highest grade uranium mine, is located in northern Saskatchewan, Canada and began commercial production in May 2015.
  • As the operator, Cameco developed an innovative jet-boring technique specifically for this challenging deposit.
  • Cigar Lake's ore is processed 70 km northeast, at the McClean Lake mill, operated by AREVA Resources.
Operation(As of December 31, 2016)
50% Cameco ownership
597 people employed, 51% are from northern Saskatchewan
Production(As of December 31, 2016)
Average grade of 15.9% U3O8
Licenced to 2021
8.7m lbs U3O8 Annual Production Trend (Cameco's Share)

Q2 2017 Update


Total packaged production from Cigar Lake was 25% higher in the second quarter, and 12% higher in the first six months compared to the same periods last year. The year-over-year increase is the result of the scheduled rampup of the operation.

On June 29, the Canadian Nuclear Safety Commission approved a 10-year renewal of the operating licence for AREVA’s McClean Lake mill. The licence is valid until June 30, 2027.

Cigar Lake Production

Cameco's Share (million lbs)

  3 months ended
June 30
  6 months ended
June 30
2017 2016 Change 2017 2016 Change 2017 Plan
2.5 2.0 25% 4.8 4.3 12% 9.0

See full Quarterly Report

Environment & Safety

Worker safety, protection of the environment and proper decommissioning after mining is completed, are of the utmost importance to Cameco.

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Reserves & Resources

Our mineral reserves and resources are the foundation of our company and fundamental to our success.

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Caution about forward-looking information relating to Cigar Lake

This discussion of our expectations for Cigar Lake, including our plans for 16 million packaged pounds (100%) in 2016, and full production of 18 million pounds (100%) in 2017, is forward-looking information that is based upon the assumptions and subject to the material risks discussed under the heading ​Caution about forward-looking information beginning on page 2 of our Q4 2015 MD&A.