I've visited the Porkies twice. February 2007 (as I mentioned above) and then again in I believe May of 2008. In May a buddy and I did a nice backpacking trip in which we checked out the majority of the ecosystem. One could backpack there for probably four or five days and get a great feel for the whole place.
indeed there's a lot to do in that park. i spent a week there a couple years ago, and only saw people near the really popular areas like lake of the clouds. other than that, it was rivers, trees and lake superior. beautiful area!
"Climb the mountains and get their good tidings. Nature's peace will flow into you as sunshine flows into trees. The winds will blow their own freshness into you, and the storms their energy, while cares will drop off like autumn leaves."