Along the Index-Galena Road about five miles in from Index is a nice campground that used to be public but was recently posted as private property. But on the other side of Trout creek there are a few small rustic campsites that remain public property. I found the time to do a little exploring of the area this past Sunday after aborting an attempt to check up on Scenic.
The sky was overcast . . . humidity high and temps in the mid forties but I managed to spend a few hours just roaming up and down the river banks for some nude time.
Some images of this trip here: http://www.anthonians.org/forgotten_knot/North%20Fork%20Skykomish%20at%20Trout%20Creek/