This route is a real BUZZ! Its as close as you will get to a race track on a public road. Not to be missed.
Can be combined with the N230 from Vielha
A very varied section that climbs spectacularly up a mountain, then ducks into a 5k tunnel. After that it twists and turns like crazy before some higher speed corners on the way to Benabarre. Well worth a look. Pont de Suert and the excellent N260 cross this route at about the halfway point (perhaps the best road in Spain).
La Seu d'Urgell - Sort section
An unbelievably good road across the pyrenees which runs from quite close to the Andorran border down to the town of Sort. There are many fast open corners with great visibility, allowing you to use road width to the full. This is one of if not the best road I ever rode. A must if you are in the area. The only downside is that sometimes some cattle walk into the road, but this is only a problem on a few of the more blind corners travelling up the mountain at the start of the route.