mjch3n (Mike) I totally understand from your post, before the edit, if you cannnot find anyone to make the run with you on such a long distance. Last year people that make the journey had a great time, and it will be just as fun this year with the river running so high.
I will continue to rally people in your area from the other forums to start up a caravan. Sometimes these caravans start at the last minute. If you decide not to come along, you might want to consider the July 10 run which is closer to the bay area.