Smith Ranch-Highland

  • The combined operations at Smith Ranch (including the North Butte satellite mine) and Highland form the largest uranium production facility in the United States.
  • Cameco operates both ISO 14001 certified Wyoming locations, which opened in 1975 and 1972 respectively, and uses the environment-friendly in situ recovery mining method.
  • The Smith Ranch central plant currently processes all of the uranium while the Highland mill is idle. 
100% Cameco ownership
150 people employed (includes North Butte)
Largest US uranium producer

Q3 2016 Update


At our US operations, total production was 25% lower for the quarter and 33% lower for the first nine months compared to the same periods in 2015, as a result of the decision to curtail production and defer all wellfield development beginning in May, 2016.

Smith Ranch-Highland Production

Cameco's Share (millions lbs)

3 months ended
September 30
9 months ended
September 30
2016 2015 Change 2016 2015 Change 2016 Plan
0.2 0.3 (33)% 0.8 1.2 (33)% 0.9

See full Quarterly Report

Environment & Safety

Worker safety, environmental monitoring and proper decommissioning after project completion 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

Please click here for additional information about the assumptions applied in making the forward-looking statements on this page and the factors that could cause results to differ materially.