Silver Mountain Exploration Project

Exploring for high-grade silver in the Bunker Hill Mine


Bunker Hill Mine is a large scale resource and patented land package located in Northern Idaho’s prolific Silver Valley. View the video below to learn more.

From 1927 to 1981 the Bunker Hill Mine produced 35 million tons of ore in concentrates, included a total of 165 Moz of Silver. Closed in 1981 due to the coincident effect of low base metal prices and the need to invest significant capital in the upgrade of its processing and smelting operations to meet new environmental regulations, it has remained on care and maintenance ever since.

Following its closure, and as part of a regional environmental clean-up operation run by the US Government, its lead smelter and zinc processing plant have been fully dismantled, and its water discharge treated by a government-run Water Treatment Facility.


With the arrival of a new leadership team in 2020 with the intent to verify, explore and develop its untapped higher-grade silver potential using the most modern analytical, exploration, mining and processing techniques the mine is poised for a second profitable and environmentally sustainable life. The new team is focused on the exploration and sustainable development of the mine’s untapped silver potential.

Bunker Hill Mining Corp. has the exclusive lease and option to purchase the Bunker Hill Mine.


A Focus on Silver, Partnerships & Modernisation

Led by Sam Ash, our new CEO, an American mining engineer who is himself the son of a Bunker Hill employee from the 1970s, the company is focused on identifying the optimal development strategy for the mine. This involves four key activities:

  • Compilation and Digitisation of all mine data focused on compiling 95 years of data including that collected from over 3500 drill holes and the strategic insights developed in the 1970s to build a modern 3D geological and mine model to inform strategic planning.
  • Silver-focused exploration drilling from underground and the surface combined with sampling the open stopes. This is focused initially on the targets above the existing water level and close to existing infrastructure to build a high-value silver resource inventory.
  • Long-Term Water Management focused on working with the Environmental Protection Agency (EPA) the Idaho Department of Environmental Quality (IDEQ) and other stakeholders to ensure the optimal long-term water management plan for the mine.
  • Stakeholder engagement focused on building new relationships with the many stakeholders associated with the mine and its environment to ensure they all benefit from and support the future development plans.


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