The Supreme Court will now consider whether or not Ontario has the authority to make land-use decisions in Treaty 3.
Chief Leslie Cameron says Ontario doesn't have the right to allow mining and other companies in their traditional territory.
Cameron adds Canada needs to be involved to ensure their treaty rights are respected.
Wabauskang has an outstanding lawsuit against Rubicon Minerals.
The Supreme Court is expected to hear the appeal in late 2014, with a decision not expected until 2015.
The decision comes a week after the Supreme Court also agreed to hear
an appeal of Grassy's Narrows land use appeal of an Ontario Court ruling.
