I see someone reopened this thread. We did go up there that spring [end of may i think] and i wasnt prepared for what i saw, man the water was just boiling through the canyon, so much as my wife wouldnt ride the boat with me and instead walked around to where i picked her back up, scared the shit outta me, that being said the fall is much easier to go thru, justa gotta back down thru like someone mentioned before. Didnt get a chance to video but we did get some video latter on that trip.
YouTube - River boat trip up Wiliston Lake. Great fishing and awesome scenery. Go if you get the chance.........never seen another boat or person that trip.