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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 clean coal per year, over a mine-life of about 25 years.


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 project.

Latest update

October 25, 2019 - The public comment period on the additional information submitted by the proponent is closed. The Joint Review Panel is considering comments received to determine whether it has sufficient information to proceed to the public hearing.

Please refer to List all documents for comments submitted since September 9, 2019.



Key documents

Key documents
Document Number Document Title File Date
291 From Osler, Hoskin & Harcourt LLP on behalf of Benga Mining Limited to the Joint Review Panel re: Comments on Sufficiency PDF (617 KB) October 31, 2019
268 From the Joint Review Panel to the distribution list for the environmental assessment: Report on Site Visit and Aerial Tour for the Grassy Mountain Coal Project PDF (3.5 MB) October 17, 2019
253 Public Notice - Grassy Mountain Coal Project - Public Comments Invited - September 9, 2019
97 Grassy Mountain Coal Project Environmental Assessment Information Summary Sheet (Note: Updated September 23, 2019) PDF (118 KB) November 8, 2018
81 Backgrounder: Grassy Mountain Coal Project Establishment of Joint Review Panel-Biographical Notes (NOTE: Updated August 20, 2018) - August 16, 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

List all documents


  • Grassy Mountain Coal Project
  • Impact Assessment Agency of Canada
  • 160 Elgin Street, 22nd Floor
  • Ottawa, ON, K1A 0H3
  • Telephone: 613-957-0700 or 1-866-582-1884
  • Fax: 613-957-0941
  • Email:

  • Location

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

    • Mines and Minerals
  • Status

    In progress
  • Start Date

  • 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

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