Don't know about Switzerland, don't fancy going to jail. I don't really care about autobahnns either, they're still motorways
Corsica looks stunning but seems like it might be better suited to motorbikes?
France, Austria, Italy, maybe a bit of Germany sounds good for sure. I wanted to do the Grossglockner in Austria for a long time.
Where is the Picos? Spain?
So something along the lines of this?
https://www.google.com/maps/dir/Dubl...53.3498053!3e0
That route would have the added benefit of Munich and Stuttgart on the way
Here's a bit of inspiration:
https://www.youtube.com/watch?v=H6JlOlBSZlQ