Edgy,

I think there will be multiple routes the end.

I was looking at this recently ,

http://www.mto.gov.on.ca/english/highway-bridges/pdfs/northern-highways-program-2017-2021.pdf

Please go to page 12.

Look at the top 2 pertaining to work bridge rehab. and culvert for  HWY 599

And then re-look at this link

http://thedrydenobserver.ca/2014/02/hwy-599-ring-of-fire-access-makes-sense-says-fedeli/

What caught my eye was Miskkeegogamang First Nation

"south of Pickle Lake, at Mishkeegogamang First Nation"

The bridge work affecting them is underway .......

Below is from a few years ago....

Notice the words, ". Other regional communities such as Mishkeegogamang have also joined the collaboration"

http://www.nan.on.ca/article/fns-sign-ring-of-fire-agreeement-614.asp

Toronto, Ontario, March 5, 2012: Four First Nations in Northern Ontario today signed a landmark collaboration agreement to pursue the development and operation of an East-West corridor in the Ring of Fire.

The East-West Corridor Collaborative Agreement was signed between the communities of Webequie, Neskantaga, Eabametoong and Nibinamik at the Aboriginal Forum at the Prospectors and Developers Association of Canada Convention. Other regional communities such as Mishkeegogamang have also joined the collaboration. The First Nations have been working together to formalize a community-driven strategy on regional infrastructure development. The ultimate goal is to establish a joint venture that will operate an infrastructure, transportation and service corridor for potential mining companies in the Ring of Fire.

These four identified are impacted by the potential mining developments in the Ring of fire area, and are committed to working collectively together to capitalize on the potential benefits while mitigating the potential issues. The collaborative agreement provides the foundation and framework to work collaboratively and move to the next phases in the pursuit of a joint venture for that east-west corridor, provided that it to be economically feasible.

 “Potential ownership of this service corridor means that our people will have new opportunities for training, jobs, businesses and access to services that they manage.  By taking control of our traditional homeland, we can ensure that our communities really benefit in meaningful and long-term ways from the potential development in the Ring of Fire.”

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Then I notice the Hwy 599 planned culverts for 2018. Notice that Savant lake is there.

Noront has previously stated  "Haulage of materials along Hwy 599 to Savant Lake"

https://www.lakeheadu.ca/sites/default/files/uploads/3123/Nolan%20presentation%206%20Dec%2013sm.pdf