On my way back to Seattle at the end of my Oregon 2004 trip, I took the back way around Mt. St. Helens to check out some of its older volcanic sites as well as the view from Windy Ridge of the crater from the 1980 eruption.

Mark Wasson, http://www.markwasson.com > Trips has detailed summaries of my trips

http://www.markwasson.com/u2004o04aoregon.htm