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    Wesdome Gold Mines reserve growth: mine life and cash flow lens for planners

    June 26, 2026|

    Reviewed by Joe Ashwell

    Wesdome Gold Mines reserve growth: mine life and cash flow lens for planners

    First reported on MINING.com

    30 Second Briefing

    Wesdome Gold Mines has lifted combined proven and probable reserves at Eagle River (Ontario) and Kiena (Quebec) by 17% to 1.4 million oz., giving both underground operations eight-year reserve lives out to 2033 and supporting a planned production range of 180,000–230,000 oz. per year through 2028. The global model initiative at Eagle River converted near-mine tonnes at an assumed US$1,800/oz. gold price to improve mill utilisation, while Kiena Deep and the Presqu’île Zone are central to execution, with Presqu’île targeted for commercial production in autumn 2026. Updated mine plans are forecast to generate over C$1 billion in free cash flow in the next three years at US$4,000/oz. gold, with all-in sustaining costs guided at US$1,525–US$1,700/oz.

    Technical Brief

    • Eagle River reserves increased 39% to 676,000 oz., materially changing stope sequencing and mill feed planning.
    • Kiena reserves sit at 711,000 oz. post‑depletion, implying strong replacement of mined ounces year-on-year.
    • Global model initiative at Eagle River converts near‑mine tonnes at an economic assumption of US$1,800/oz. gold.
    • Additional converted tonnes are explicitly targeted to improve mill utilisation and allow flexible re‑sequencing of higher‑grade stopes.
    • Updated mine plans are expected to yield over C$1 billion free cash flow in three years at US$4,000/oz. gold.
    • Consolidated all‑in sustaining costs are guided to remain within US$1,525–US$1,700/oz. over the same period.
    • Presqu’île Zone at Kiena is scheduled for commercial production in autumn 2026, adding another active mining front.
    • Inferred resources have grown 87%, providing a substantial pipeline for future reserve conversion drilling.
    • Exploration targets total 27.1–40 Mt with 2.7–4.9 g/t Au, equating to 2.4–6.3 Moz potential.
    • Both sites intend to leverage existing underground and plant infrastructure to bring these exploration targets into production pathways.

    Our Take

    Within our 1198 Mining stories, very few single-operator Canadian gold producers sit above C$3 billion in market cap, so Wesdome Gold Mines’ C$3.6 billion valuation and 1.4 Moz reserve base put Eagle River and Kiena into a mid-tier peer group where mine-life visibility to 2033 is a key differentiator for financing and hedging strategies.

    An 87% uplift in inferred resources at Eagle River and Kiena, combined with a 2.7–4.9 g/t exploration target grade range, signals that both assets in Ontario and Quebec are likely to support ongoing underground development rather than a pivot to bulk-tonnage open pit concepts, which has implications for contractor demand and shaft/hoist upgrade planning in northern Ontario and Val-d’Or-style camps.

    The projected C$1 billion in free cash flow over the next three years, ahead of Presqu’île Zone commercial production in 2026, gives Wesdome unusual balance-sheet flexibility among the gold names in our database to self-fund incremental expansions or regional M&A in Canada without relying heavily on equity issuance at current share-price levels.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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