Troilus Mining Project

Troilus Gold Corp. is proposing the construction, operation and decommissioning of a new open-pit gold and copper mine located approximately 76 kilometres northwest of the Cree community of Mistissini and approximately 170 kilometres north of Chibougamau, Quebec. As proposed, the Troilus Mining Project would include the mining of two former open pits and one new pit, the reuse of the tailings facility, the development of waste rock and overburden piles, and the construction and operation of a new ore processing plant complex. The project would have a maximum ore production capacity of 40,000 tonnes per day and a 10-year operating life.


This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.


Latest update

March 6, 2023 — The Joint Assessment Committee, comprising of representatives from the Impact Assessment Agency of Canada and the Cree Nation Government, is inviting the public to comment the draft Tailored Impact Statement Guidelines and the draft Public Participation Plan. Comments must be submitted by April 5, 2023.


Key documents

Key documents
Document Number Document Title File Date
37 Draft Indigenous Engagement and Partnership Plan PDF (815 KB) March 7, 2023
36 Draft Cooperation Plan PDF (604 KB) March 6, 2023
35 Draft Permitting Plan PDF (626 KB) March 6, 2023
34 Public Notice: Public Comments Invited on the Draft Tailored Impact Statement Guidelines and Draft Public Participation Plan - March 6, 2023
33 Draft Public Participation Plan PDF (735 KB) March 6, 2023
32 Draft Tailored Impact Statement Guidelines PDF (2.9 MB) March 6, 2023
30 Notice of Impact Assessment Decision with Reasons - January 30, 2023
26 Summary of the Detailed Project Description PDF (1.1 MB) January 20, 2023
27 Réponse au sommaire des questions (French Only) PDF (3.7 MB) December 31, 2022
25 Description détaillée de projet (French Only) PDF (51.4 MB) December 31, 2022
17 Summary of Issues PDF (185 KB) July 4, 2022
8 Guiding Questions in Planning Phase PDF (184 KB) June 8, 2022
7 Powerpoint Presentation - June 2022 Virtual Information Sessions PDF (1.4 MB) June 8, 2022
6 Agreement concerning the Troilus external federal assessment process under the James Bay and Northern Quebec Agreement and the Impact Assessment Act PDF (4.3 MB) June 3, 2022


Troilus Mine Project
Impact Assessment Agency of Canada
901-1550, Estimauville Avenue
Québec, Quebec G1J 0C1
Telephone: 418-649-6444

  • Location

    • Municipality of Baie-James (Quebec)
  • Nature of Activity

    • Mines and Minerals
  • Assessment Status

    In progress
  • Start Date

  • Proponent

    Troilus Gold Corp.
  • Authorities

    • Impact Assessment Agency of Canada
  • Assessment Type

    Planning Phase for Impact Assessment
  • Reference Number

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