Others have posted some "must ride" twisties in their areas so I thought I would share this one. It's a great ride!
Check out the sign and description-
http://rodjules.com/pacific_northwest/pnw_route_06.php
The 77 mile sign is just after you come over the pass into Idaho. Lewiston to Lolo Montana is 212 miles and all most all of it is twisties.