Cigar Lake

  • Cigar Lake is the world's highest grade uranium mine and is located in northern Saskatchewan, Canada. 
  • As the operator, Cameco developed an innovative jet-boring technique specifically for this challenging deposit.
  • Commercial production began in May, 2015 with a total of 11.3 million pounds (100% basis) produced by the end of the year.
  • Rampup to licensed capacity of 18 million pounds per year is expected in 2017.
  • Cigar Lake's ore is processed 70 km northeast, at the McClean Lake mill, operated by AREVA.
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)

Q1 2017 Update


Total packaged production from Cigar Lake was 5% higher in the first quarter compared to the same period last year. The year-over-year increase is the result of the scheduled rampup of the operation.

Cigar Lake Production

Cameco's Share (million lbs)

3 months ended
March 31
2017 2016 Change 2017 Plan
2.3 2.2 5% 9.0

McClean Lake relicensing

AREVA’s Canadian Nuclear Safety Commission (CNSC) relicensing proceedings for its McClean Lake mill are well underway, with the hearings set for June. Its existing eight-year term ends on June 30, 2017, and it has requested a 12-year licence term as part of its renewal process.

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.

See more

Reserves & Resources

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

See more

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.