Western side from Roncal to Anso, the top is the border between Huesca (Aragon) and Navarra. In 2004 it was almost a dirt road, now its properly paved.
The Anso - west is situated in Navarra.
This climb belongs to the Pyrenees.
The Anso - west via Garde is ranked number 423 of the Pyrenees.
The climb is ranked number 938 in Spain and number 7487 in the world.
Starting from Garde,
the Anso - west ascent is 8.18 km long. Over this distance, you climb 387 heightmeters.
The average percentage thus is 4.7 %.