Tarn Pass ( Spanish: Puerta di Tarna ) - a mountain pass in the Cantabrian Mountains , which reaches a maximum height of 1492 meters above sea level and through which the road CL-635-AS-117 passes, connecting the Spanish provinces of Leon and Asturias .
Location
At 1160 meters, the road LE-331 - AS-117 begins from the city of Acebido (Leon province), which goes into the mountains to a maximum height of 1492 meters above sea level at a point with coordinates (the nearest settlement is the Asturian village of Bezanes). The total length of the road is 29.7 km, it ends at an altitude of 660 meters above sea level.
Curious Facts
As one of the most difficult and most spectacular routes in Spain, this road is highly regarded by cyclists, which is why the organizers of the annual bicycle race “Vuelta di Spain” very often include this route in their calendar.