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Historical information is provided for reference, research or recordkeeping purposes, it is not maintained. Visit our Project Inventory page to learn about MPMO’s ongoing initiates. Contact the Major Projects Management Office for additional information.

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KSM (Kerr-Sulphurets-Mitchell) Copper-Gold Mine

Federal Review Status:
Active/In Progress

Seabridge Gold Inc.'s proposed KSM Gold-Copper Mine is a large tonnage gold/copper mine in northwestern British Columbia. The proposal consists of a 23 km tunnel and conveyor to convey ore through a mountain to a processing plant, a 2-billion-tonne tailings impoundment area constructed in a valley with a dam at each end, and a short access road and transmission line.

Minerals and Metals

65 km northwest of Stewart

Seabridge Gold Inc.

MPMO Officer:
Erika Uchmanowicz
Senior Advisor
Major Projects Management Office
1219 Queen St.
Sault Ste. Marie, Ontario P6A2E6
Telephone Number: 705-541-5599


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