Osisko Development: Could This Become One of Canada's Next Major Gold Mines?

A fully permitted, fully financed gold development project is advancing toward production while exploration continues to unlock district-scale potential.

Osisko Development is advancing a large-scale gold project in British Columbia toward planned production in 2028. Backed by substantial infrastructure investment, underground development, and ongoing drilling, the company is moving through the construction phase while continuing to explore a mineralized trend that extends far beyond its current resource base.

When investors evaluate development-stage gold companies, one question often stands above the rest:

Can the project become bigger than what is currently defined?

For Osisko Development, that question remains central to the story.

The company controls approximately 83 kilometres of known mineralized trend in British Columbia's historic Cariboo Gold District. While the current resource already supports mine development plans, management believes the broader district remains significantly underexplored.

According to CEO Sean Roosen, roughly 700,000 metres of drilling have been completed across only a small portion of the known mineralized corridor. Exploration continues to test the depth and scale of the system while development work progresses in parallel.

Unlike many gold projects that remain years away from construction, Osisko has already entered a more advanced stage.

The company has invested heavily in site infrastructure and pre-construction activities, while underground development continues to advance. Management reports that more than $200 million in pre-construction work has been completed and underground development is ongoing as the company targets full production in the summer of 2028.

Why does this matter to investors?

Permitting, financing, and construction are often the largest hurdles facing mining projects. Osisko has already cleared many of those milestones.

The project is fully permitted and fully financed, allowing management to focus on execution, expansion opportunities, and advancing toward production.

The company is also evaluating opportunities to increase future throughput beyond current plans. If successful, expansion scenarios could increase production capacity and improve project economics over time.

Exploration remains another important component of the investment thesis.

Management plans to have approximately 25 drills operating across the district, generating a steady stream of results while continuing to test the broader mineralized trend.

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