Grassy Mountain Coal Project

Benga Mining Limited, a wholly owned subsidiary of Riversdale Resources Limited, is proposing to construct and operate an open-pit metallurgical coal mine near the Crowsnest Pass, approximately seven kilometres north of the community of Blairmore, in southwest Alberta. As proposed, the production capacity of the project would be a maximum of 4.5 million tonnes of processed coal per year, over a mine-life of about 25 years.

Latest update

December 19, 2025 — The Minister of the Environment, Climate Change and Nature terminated the environmental assessment of the project at the request of the proponent.

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Key documents

Key documents
Document number Document title File Date
5097 News Release - Grassy Mountain Coal Project - Minister Receives Joint Review Panel Report - June 17, 2021
5095 News Release: Joint Review Panel for Grassy Mountain Coal Project Concludes its Review - June 17, 2021
5094 Executive summary of the Report of the Joint Review Panel, Benga Mining Limited, Grassy Mountain Coal Project PDF (314 KB) June 17, 2021
5093 Report of the Joint Review Panel, Benga Mining Limited, Grassy Mountain Coal Project PDF (7.8 MB) June 17, 2021
4917 From Osler, Hoskin & Harcourt LLP on behalf of Benga Mining Limited to the Joint Review Panel re: Reply Argument PDF (333 KB) January 15, 2021
980 Notice of Extension - Grassy Mountain Coal Project - Extension of Time Limit for the Submission of the Report by the Joint Review Panel - December 17, 2020
962 From Osler, Hoskin & Harcourt LLP on behalf of Benga Mining Limited to the Joint Review Panel re: Final Argument PDF (1.2 MB) December 11, 2020
631 Grassy Mountain Coal Project - Document List for the Public Hearing (Note: Updated March 12, 2021) PDF (1.2 MB) October 22, 2020
630 Instructions for using the Canadian Impact Assessment Registry PDF (1.2 MB) October 22, 2020
562 Detailed electronic hearing procedures - September 24, 2020
521 Notice of Scheduling of Hearing - September 9, 2020
488 From the Joint Review Panel to Hearing Participants re: List of hearing participants and outline of electronic hearing procedures for the Grassy Mountain Coal Project PDF (630 KB) August 12, 2020
365 Public Notice: Grassy Mountain Coal Project - Notice of Hearing - June 29, 2020
363 From the Joint Review Panel to Osler, Hoskin & Harcourt LLP on behalf of Benga Mining Limited re: Completeness of the environmental impact assessment PDF (485 KB) June 25, 2020
362 From the Joint Review Panel to Osler, Hoskin & Harcourt LLP on behalf of Benga Mining Limited re: Sufficiency of information to proceed to the public hearing PDF (480 KB) June 25, 2020
97 Grassy Mountain Coal Project Environmental Assessment Information Summary Sheet (Note: Updated June 25th, 2020) PDF (525 KB) November 8, 2018
80 Agreement to Establish a Joint Review Panel for the Grassy Mountain Coal Project Between The Minister of the Environment, Canada and The Alberta Energy Regulator, Alberta (Including Terms of Reference) PDF (9.9 MB) August 16, 2018
42 Grassy Mountain Coal Project - Updated Environmental Impact Assessment and links to Addenda - August 15, 2016

Contacts

Impact Assessment Agency of Canada
160 Elgin Street, 22nd Floor
Ottawa, Ontario K1A 0H3
Telephone: 613-957-0700 or 1-866-582-1884
Fax: 613-957-0862
Email: information@iaac-aeic.gc.ca


Disclaimer

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.

  • Location

    • Southwest Alberta, approximately 7 kilometres north of Blairmore (Alberta)

  • Nature of Activity

    • Mines and Minerals

  • Assessment Status

    Terminated

  • Start Date

    2015-05-14

  • Proponent

    Benga Mining Limited, a wholly owned subsidiary of Riversdale Resources Limited

  • Authorities

    • Impact Assessment Agency of Canada

  • Assessment Type

    Environmental assessment by Review Panel under CEAA 2012

  • Reference Number

    80101

Nearby assessments

...within 200 kilometres
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