Marten Falls First Nation has launched a legal challenge to block government participation in northern Ontario’s Ring of Fire mining project, dramatically reversing its previous support for the resource development.
The community announced the court action at a Thursday press conference, marking a significant shift from its earlier position supporting the controversial mining project. Court documents seek to block both provincial and federal government participation in Ring of Fire activities in the remote region, which lies approximately 400 kilometres northeast of Thunder Bay.
Not Marten Falls 🥴 they are one of the Ring of Fire road proponents https://t.co/NtNGJTEOiv
— Heather Exner-Pirot (@ExnerPirot) August 7, 2025
The community has reversed its position after showing “steadfast support” for the Ring of Fire since 2018 and conducting environmental assessments for access roads to connect their community to provincial highways and facilitate mining development. Just three weeks earlier, on July 18, Marten Falls held a joint ceremony with Webequie First Nation to symbolize their “shared commitment to an Indigenous-led development process” for the Ring of Fire, with mining company representatives in attendance.
According to court documents, the First Nation cites historical grievances over development imposed without consent, referencing water diversion projects from the 1930s to 1950s that redirected river systems to benefit southern Ontario while damaging local ecosystems and traditional ways of life. The community now fears that controversial federal and provincial legislation — Bill C-5 and Bill 5 — could be used to expedite Ring of Fire development over environmental objections, potentially bypassing the Indigenous-led process they had been championing.
The legal challenge follows similar action taken weeks earlier by nine Ontario First Nations, who characterized the bills as representing a “clear and present danger” to Indigenous self-determination rights on traditional territories.
In response, an Ontario government spokesperson said, “We are looking at all options to continue moving this multi-generational project of national significance forward” and “We remain focused on building consensus with First Nations on shared priorities including all-season roads and resource development, that support long-term prosperity.”
The mineral-rich Ring of Fire has been promoted by Ontario Premier Doug Ford as a project of significant economic importance.
Information for this story was found via the sources and companies mentioned. The author has no securities or affiliations related to the organizations discussed. Not a recommendation to buy or sell. Always do additional research and consult a professional before purchasing a security. The author holds no licenses.