Saw this on STW and thought i'd post it here. Looks good!
http://www.adventure-journal.com/2013/0 ... ike-route/
500 Mile Idaho Hot Springs Route
Moderators: Bearbonesnorm, Taylor, Chew
Re: 500 Mile Idaho Hot Springs Route
Looks perfect.. may need to stay closer to home next year but it's on the wish-list. Idaho was cold and beautiful from the small corner I rode through. Oregon looks potentially even better though, great mix of singletrack and gravel roads.
Re: 500 Mile Idaho Hot Springs Route
The hot springs en-route would slow me down 

2924 miles per Gallon