Does anyone know if you can go UP the Gulkana River. Looking at a map I'm wondering if it is possible to float the 3 miles or so down to the West Fork of the Gulkana from Paxson Lake and then motor back up the Gulkana to where you started from? I know it's swift and there are rocks. But just wondering if it's too swift and too rocky. Don't really want to do the alternative which is continue down the Gulkana.