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Project Grassy Mountain Coal Project

  • Location (Southwest Alberta, approximately 7 kilometres north of Blairmore, Alberta)
  • Assessment Type: Environmental assessment by Review Panel under CEAA 2012
  • Status: Terminated
  • Reference Number: 80101
  • Last Modified: 2025-12-19
  • Relevance: 156081.62
  • 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.

Document From Benga Mining Limited to the Minister of Environment, Climate Change, and Nature re: Request to Terminate the Impact Assessment of the Grassy Mountain Coal Project

  • Project Grassy Mountain Coal Project
  • Document Category: Additional Information
  • Reference Number: 5106
  • Document Date: 2025-12-08
  • Document: 164160E.pdf
  • Relevance: 94045.91
  • northback.ca Calgary Corporate Office 1910, 525 8th Ave SW Calgary, AB T2P 1G1 403-753-5160 Crowsnest Pass Office 12955 20th Ave Blairmore, AB T0K 0E0 403-753-5160 1 December 8, 2025 By email: (ministre-minister@ec.gc.ca) House of Commons Ottawa, Ontario Canada, K1A 0A6 Attention: The Honourable Julie Dabrusin, Minister of Environment and Climate Change Dear Minister Dabrusin RE: Benga Mining Limited ("Benga") Grassy Mountain Coal Project ("Project") CEAA Reference No. 80101 Request to Terminate the Impact Assessment of the Project Benga, now Northback,1 hereby advises that it will not be carrying out the Project as it was proposed to the Canadian Environmental Impact Assessment Agency on November 10, 2015.
  • Accordingly, as it pertains to matters within federal jurisdiction, the Project as previously proposed will no longer be carried out and the federal assessment should be terminated. 4 Emma Graney, "Northback to submit new proposal to develop Alberta's Grassy Mountain coal mine", The Globe and Mail (23 September 2025), online: . 5 JRP Report, 2021 ABAER 010 (June 17, 2021) at para. 1206.
  • https://northback.ca/ tel:403-753-5160 tel:403-753-5160 https://www.theglobeandmail.com/business/article-northback-grassy-mountain-project-crowsnest-coal-mine-alberta/ northback.ca Calgary Corporate Office 1910, 525 8th Ave SW Calgary, AB T2P 1G1 403-753-5160 Crowsnest Pass Office 12955 20th Ave Blairmore, AB T0K 0E0 403-753-5160 4 On October 9, 2025, Northback filed a revised project summary with the provincial regulator, and the provincial regulator has confirmed that a provincial environmental impact assessment will be required for the revised Project.

Document Notice of Termination

  • Project Grassy Mountain Coal Project
  • Document Category: News Releases
  • Reference Number: 5107
  • Document Date: 2025-12-19
  • Document: 164161E.html
  • Relevance: 74365.22
  • Notice of Termination Ottawa — December 19, 2025 — The Minister of the Environment, Climate Change, and Nature (the Minister) terminated the environmental assessment for the Grassy Mountain Coal Project (the project) pursuant to section 62 of the Canadian Environmental Assessment Act, 2012.
1 alternate format found
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  • Relevance: 66224.33
  • Avis de fin de l'évaluation Ottawa – Le 19 décembre 2025 – La ministre de l'Environnement, du Changement climatique et de la Nature (la ministre) a mis fin à l'évaluation environnementale du projet de mine de charbon Grassy Mountain (le projet), en vertu de l'article 62 de la Loi canadienne sur l'évaluation environnementale (2012).

Document Executive summary of the Report of the Joint Review Panel, Benga Mining Limited, Grassy Mountain Coal Project

  • Project Grassy Mountain Coal Project
  • Document Category: Panel Records
  • Reference Number: 5094
  • Document Date: 2021-06-17
  • Document: 139409E.pdf
  • Relevance: 63763.96
  • Benga Mining Limited, Grassy Mountain Coal Project Joint Review Panel 2021 ABAER 010 (June 17, 2021) vii Executive Summary Benga Mining Limited (Benga) submitted an environmental impact assessment (EIA) for the Grassy Mountain Coal Project to the Alberta Energy Regulator (AER) and the Canadian Environmental Assessment Agency (the Agency) on November 10, 2015, and submitted an updated EIA on August 15, 2016.
  • The production capacity of the Grassy Mountain Coal Project (the project) would be a maximum of 4.5 million tonnes of metallurgical coal per year over a mine life of approximately 23 years.
  • Benga’s conclusions were premised on the assumed Benga Mining Limited, Grassy Mountain Coal Project viii 2021 ABAER 010 (June 17, 2021) Joint Review Panel effectiveness of these measures.
1 alternate format found
English HTML
  • Relevance: 62616.74
  • Executive summary of the Report of the Joint Review Panel, Benga Mining Limited, Grassy Mountain Coal Project Please note that this executive summary is an excerpt from the Report of the Joint Review Panel, Benga Mining Limited, Grassy Mountain Coal Project (CIAR #5093) If you experience problems, contact the Impact Assessment Agency of Canada at: iaac.information.aeic@canada.ca to obtain alternate formats.
  • For questions or information, please contact: Grassy Mountain Coal Project Impact Assessment Agency of Canada 160 Elgin St, 22nd Floor Ottawa, Ontario K1A 0H3 Telephone: 613-957-0700 or 1-866-582-1884 Fax: 613-957-0862 Email: iaac.grassymountain.aeic@canada.ca and refer to reference number 80101

Document From the Coalition of Alberta Wilderness Association and Grassy Mountain Group to the Joint Review Panel re: Confirmation of participation at the public hearing for the Grassy Mountain Coal Project (See reference document #388)

  • Project Grassy Mountain Coal Project
  • Document Category: Hearing Documents
  • Reference Number: 426
  • Document Date: 2020-07-20
  • Document: 135465E.pdf
  • Relevance: 61099.18
  • OUR FILE No. 154436 /IMO YOUR FILE No. 80101 July 20, 2020 EMAIL TO iaac.grassymountain.aeic@canada.ca Grassy Mountain Coal Project Joint Review Panel c/o Canadian Environmental Assessment Agency 160 Elgin Street, 22nd Floor Ottawa Ontario Canada K1A 0H3 Attention: Samantha Sabo, Acting Panel Manager Dear Madam: Re: Benga Mining Limited/Riversdale Resources - Grassy Mountain Coal Project AER Application Nos. 1844520 and 1902073 Impact Assessment Agency of Canada Reference No. 80101 Participation at the Public Hearing for the Grassy Mountain Coal Project In the Joint Review Panel’s (the “Panel”) letter dated June 29, 2020, the Panel requested the Coalition of Alberta Wilderness Association and Grassy Mountain Group (the “Coalition”) to provide information regarding their intention to participate in the proceeding, the scope and nature of the participation and the Coalition’s views on preferred dates, locations and format of the hearing.
  • The contact information for Alberta Wilderness Association’s representative is: Alberta Wilderness Association 455 12 Street NW Calgary, AB T2N 1Y9 Attention: Ian Urquhart The contact information for the representatives of the Grassy Mountain Group is: Larry and Ed Donkersgoed 2.
  • In the Coalition’s letter dated June 26, 2020, the Coalition requested a pre-hearing meeting to address hearing related issues including procedures to be adopted with respect to the hearing, narrowing of issues and any other matters that will assist in a fair and expeditious disposition of the 1 Grassy Mountain Coal Project Joint Review Panel dated June 29, 2020, page 1. 1500 FIRST EDMONTON PLACE, 10665 JASPER AVENUE NW, EDMONTON AB CANADA T5J 3S9 TELEPHONE: (780) 423-8905 FAX: (780) 423-8946 - 4 - proceeding.

Document Grassy Mountain Coal Project - Document List for the Public Hearing (Note: Updated March 12, 2021)

  • Project Grassy Mountain Coal Project
  • Document Category: Hearing Documents
  • Reference Number: 631
  • Document Date: 2020-10-22
  • Document: 136418E.pdf
  • Relevance: 61091.79
  • Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/document/133709 265 September 25, 2019 From John Zolis to the Joint Review Panel re: Comments on the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/proj/80101/contributions/ id/25115 266 September 28, 2019 From Vern Emard to the Joint Review Panel re: Comments on the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/proj/80101/contributions/ id/24948 267 September 30, 2019 From David McIntyre to the Joint Review Panel re: Comments on the Grassy Mountain Coal Project.
  • Mountain Coal Project - Extension Request https://iaac- aeic.gc.ca/050/evaluations/document/132944 277 October 21, 2019 From the Municipality of Crowsnest Pass to the Joint Review Panel re: Comments on the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/proj/80101/contributions/ id/24906 278 October 24, 2019 From the Coalition of Alberta Wilderness Association and Grassy Mountain Group; and Shirley Kirby to the Joint Review Panel re: Comments on the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/proj/80101/contributions/ id/24898 279 October 24, 2019 From Vern Emard to the Joint Review Panel re: Comments on the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/proj/80101/contributions/ id/24894 280 October 24, 2019 From Rae Redekopp to the Joint Review Panel re: Comments on the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/proj/80101/contributions
  • Mountain Coal Project 386 June 29, 2020 From the Joint Review Panel to the Municipality of Crowsnest Pass re: Participation at the public hearing for the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/document/135248 387 June 29, 2020 From the Joint Review Panel to the Livingstone Landowners Group re: Participation at the public hearing for the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/document/135249 388 June 29, 2020 From the Joint Review Panel to Ackroyd LLP on behalf of the Coalition of Alberta Wilderness Association and Grassy Mountain Group re: Participation at the public hearing for the Grassy Mountain Coal Project https://iaac- aeic.gc.ca/050/evaluations/document/135250 389 June 29, 2020 From the Joint Review Panel Secretariat to the distribution list for the environmental assessment re: Update regarding the Grassy Mountain Coal Project - Notice of Hearing https://iaac

Document From Ackroyd LLP on behalf the Coalition of Alberta Wilderness Association and Grassy Mountain Group re: Hearing presentation of Mr. Cliff Wallis on wildlife

  • Project Grassy Mountain Coal Project
  • Document Category: Hearing Documents
  • Reference Number: 909
  • Document Date: 2020-11-26
  • Document: 136980E.pdf
  • Relevance: 59994.89
  • Environmental Considerations for Proposed Benga Mining Limited Grassy Mountain Coal Project CEAA Reference 80101 OPENING STATEMENT (WILDLIFE) OF CLIFF WALLIS P.
  • November 2020 Cottonwood Consultants Ltd. 615 Deercroft Way SE Calgary, AB T2J 5V4 Telephone: (403) 271-1408 email: • South Saskatchewan Regional Plan (SSRP) -- recognizes a wide range of fish, wildlife and plants species and a broad range of ecosystem services provided • Grassy Mountain Coal Project is located in one or more Environmentally Significant Areas • “Species at Risk” and other species of management concern, with particular emphasis on federally listed species Alberta Environmental Protection (1995) describes the Montane: • “The montane occupies a relatively small portion of Alberta, covering about 5897 km2, or less than 1 percent of the province’s land area, but it is disproportionately important for biodiversity conservation. 2 KEY WILDLIFE CONSIDERATIONS Wildlife of Conservation Concern: • pdf 181 CIAR 69 5th Addendum: “magnitude of potential effects on habitat availability for olive-sided flycatcher and little brown
  • ” • Difficult to reconcile development of the Grassy Mountain coal project with conservation objectives for Little Brown Myotis when significant use has been recorded in parts of the project -- would effectively remove a variety of productive habitats for Little Brown Myotis for decades or longer 4 KEY WILDLIFE CONSIDERATIONS Wildlife of Conservation Concern (Little Brown Myotis): • difficult to make an accurate assessment of cumulative effects on Little Brown Myotis and supporting habitats without sufficient data • in project footprint are habitat complexes with mature forest along some of the small drainages which have pools of slow-flowing open water that may be suitable foraging habitat for Little Brown Myotis • even within areas mapped as moderate and low for Little Brown Myotis Habitat Suitability, e.g. bat survey stations A7 and A10, there are significant numbers of bat passes for the Little Brown Myotis/Long-legged Myotis group (CIAR 44, First Addendum

Document From the Joint Review Panel to Tsuut'ina Nation re: Participation at the public hearing for the Grassy Mountain Coal Project

  • Project Grassy Mountain Coal Project
  • Document Category: Hearing Documents
  • Reference Number: 377
  • Document Date: 2020-06-29
  • Document: 135238E.pdf
  • Relevance: 59359.32
  • Grassy Mountain Coal Project Joint Review Panel c/o Impact Assessment Agency of Canada – 160 Elgin Street, 22nd floor, Ottawa ON K1A 0H3 Email: IAAC.GrassyMountain.AEIC@canada.ca June 29, 2020 By email only Chief Roy Whitney-Onespot Tsuut'ina Nation Subject: Participation at the Public Hearing for the Grassy Mountain Coal Project Dear Chief Roy Whitney-Onespot, On June 29, 2020, the Joint Review Panel (the Panel) established to review the proposed Grassy Mountain Coal Project (the Project) issued the attached notice of hearing (CIAR #365).
  • Attachment: Notice of hearing Grassy Mountain Coal Project Joint Review Panel 1 Grassy Mountain Coal Project – Notice of Hearing June 29, 2020 — The Joint Review Panel (the Panel) established to review the proposed Grassy Mountain Coal Project (the Project) and conduct an assessment of the environmental effects of the Project has determined that it has sufficient information to proceed to a public hearing.
  • Public Lands Act MSL160757 Grassy Mountain Coal Mine Public Lands Act MSL160758 Corridor (access, conveyor, powerline) Public Lands Act LOC160841 Railway loop and access Public Lands Act LOC160842 Railway loop Attachment: Grassy Mountain Coal Project - Notice of Hearing How can I participate?

Document From the Joint Review Panel Secretariat to the distribution list for the environmental assessment re: Update regarding the Grassy Mountain Coal Project

  • Project Grassy Mountain Coal Project
  • Document Category: Panel Records
  • Reference Number: 520
  • Document Date: 2020-09-04
  • Document: 135940E.pdf
  • Relevance: 59355.07
  • From: Grassy Mountain (IAAC/AEIC) Sent: September 4, 2020 3:52 PM To: Grassy Mountain (IAAC/AEIC) Subject: Update regarding the Grassy Mountain Coal Project // Mise à jour concernant le projet de mine de charbon Grassy Mountain (Le français suit) Dear Participants, On June 29, 2020, the Joint Review Panel (the Panel) for the proposed Grassy Mountain Coal Project issued a Notice of Hearing.
  • Ottawa ON K1A 0H3 Telephone (Toll-free): 1-866-582-1884 IAAC.GrassyMountain.AEIC@canada.ca ---------------------------------------------------------------------------------------------------------------------------------------- Chers participants, Le 29 juin 2020, la commission d'examen conjoint (la commission) pour le projet de mine de charbon Grassy Mountain a publié un avis d'audience.
  • culture=fr-CA https://iaac-aeic.gc.ca/050/documents/p80101/125996E.pdf https://iaac-aeic.gc.ca/050/documents/p80101/125996E.pdf mailto:IAAC.GrassyMountain.AEIC@canada.ca Secrétariat de la commission Projet de mine de charbon Grassy Mountain Agence d'évaluation d'impact du Canada 22e étage, 160, rue Elgin, Ottawa ON K1A 0H3 Téléphone (sans frais): 1-866-582-1884 IAAC.GrassyMountain.AEIC@canada.ca mailto:IAAC.GrassyMountain.AEIC@canada.ca
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