Spain/Portugal/Pyrenees

[vish22]

All,

I am currently searching this forum for advice there are a lot of posts to get through but I am after some very specific advise. I've booked the Ferry on the 1st Sept and return on the 13th. I want to see north spain, portugal and pyrenees. Here are my first thoughts:

Day 1 - Ferry to Santander.
Day 2 - Get From Santander to Potes (circa 80 miles).
Day 3-4 - Using Potes as a base explore Picos.
(Maybe spend one day here exploring Picos and one day getting closer to portugal?)
Day 5 - Get to Barca de Alva, Portugal. Circa 300 miles. Long day I know but the only one.
Day 6 - Day off the bike and take a cruise of river Douro.
Day 7 - Not too sure what to do this day - I want to see more of Portugal and have to stay close to the spanish northern border. Any suggestions??
Day 8-9 - Head to Jaca, cica 400 miles. I am not sure where to go VIA here. Any suggestions. Where's a good place to stay on day 8?
Day 10-11 - Explore Pyrenees using Jaca as a base.
Day 12 - Head to Santander.
Day 13 - Ferry Home.

I am hoping the more experienced here will guide me here. What would you do different and why? Am I missing out any obvious 'must visit' regions? What do you think of the route overall?

Cheers for any help!