Ports of the Tour

Leaving from the town of Jaca reach Sabiñanigo, Biescas and go back to the French border of Portalet, go down the French side to Laruns and take the D-240 direction Gourette to Argeles-Gazost. There take the D-921 towards Luz St .-Sauveur take the D-918 to Arreau and from there take the D-929 until Tramezaigues continue heading to Spain on the D-173 and towards the Bielsa tunnel.

After passing through Aragnouet and at the height of Le Plan, the D-118 exits, here you can make a last ascent on the French side to the Piau-Engaly ski resort.
Cross the tunnel of Bielsa down the A-138 towards Bielsa to Ainsa, from here and following the N-260 (Pyrenean axis) we will go through Boltaña, Fiscal, Broto, Pto de Cotefablo and Biescas.

From Biescas to Sabiñanigo and Jaca, there are no major difficulties.

Remember that during the summer and spring the ports by which it goes up and down are frequented by many cyclists and other vehicles so you will have to take special care in twisty or difficult passages.