In September 2006 I stayed at Arrowhead Lodge on Kabetogama Lake. Although I stayed in the lodge, Arrowhead also has an RV park. Unfortunately their website says the RV park has only 30A service, but it might be worth a call:
https://arrowheadlodgeresort.com/
September is a good time of year to see the aurora borealis. I did, and it was amazing. The leaves are turning then as well.
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Mike Lewis
She don't lie, she don't lie, she don't lie-- propane
Photos and travelogues here:
mikelewisimages.com