Mount Milligan is a large-scale open-pit copper and gold mine located approximately 155 kilometres northwest of Prince George, British Columbia. The operation is a cornerstone of Centerra’s portfolio, producing both gold and copper concentrates that support local employment and contribute to the provincial economy.

Mount Milligan map
  • 60,000 tonnes per day — Copper and gold flotation plant capacity at Mount Milligan, a open-pit mine located 155 km northwest of Prince George.*
  • 2 Indigenous Agreements — Partnerships with the McLeod Lake Band and Nak’azdli Whut’en First Nation.
  • 100 per cent Centerra Gold — Proudly owned and operated by Centerra, with a projected mine life through 2045.***
  • 4.4 million ounces — Proven and probable gold reserves.*
  • 1.7 billion pounds — Proven and probable copper reserves.*
  • 2014 — Achieved commercial production on February 18, 2014.
  • 648 employees — Working at Mount Milligan, supporting families and communities across northern British Columbia.**
  • 0.28 t CO₂e/oz — Greenhouse gas intensity, well below the global mining average.**

* Current as of June 30, 2025.
** Centerra Gold 2024 Sustainability Report**
*** Centerra Gold September 2025 Prefeasibility Study.