From Pau (64)
Head Zaragoza via Oloron Ste Marie, Urdos is the last village of the Valley of Aspe before arriving at the tunnel of Somport.
From Zaragoza (Aragon)
Head city of Huesca, continue towards Sabiñanigo and finally Jaca. From Jaca continue towards France and the Somport tunnel. Urdos is the first village after the border.