Into the Pyrenees

From Arguis there is a magnificent view of the plain to the rear.

From Biescas a detour can be made on C 140, which runs east over the Puerto de Cotefablo (1,423m/4,669ft) to Torla and, beyond this, the magnificent Parque Nacional de Ordesa (1,320m/4,331ft), an area of rich and varied vegetation with numerous gorges, waterfalls, etc., in the valley of the Río de Ordesa below Monte Perdido (3,352m/10,998ft). This is splendid walking and climbing country.

Beyond Nueno are a number of short tunnels. The road then skirts the green waters of the Embalse de Arguis and comes to Arguis (alt. 1200m/3940ft), a popular holiday resort

C 136 runs north up the Gállego valley to Biescas (alt. 865m/2838ft), a little market town situated astride the Gállego, with some handsome old houses.

From Sallent the road continues uphill at a moderate gradient to the winter sports resort of El Formigal (alt. 1500m/4920ft)..
The ski hill features over 90 runs with 21 lifts.

From Biescas C 136 continues north up the Gállego valley, through beautiful mountain scenery. Above the road on the right is the convent of Santa Elena, a pilgrimage center.

The Puerto de Portalet (1,792m/5,880ft) lies on the Spanish-French frontier. The crossing is closed from November to May.

Structure used in pigeon shooting have been built here.

This group of villages is nestled away in the Pyrenees, each featuring a splendid display of Basque architecture.

The road continues uphill from Arguis, with many bends and fine views, and through a tunnel to the Puerto de Monrepós (1,262m/4,141ft). It then descends into the valley of the Río Gállego and comes to the industrial town of Sabiñánigo. 2km/1.25mi beyond the town is a road junction at which C 134 goes off on the left to Jaca.
Sabiñánigo is the main town in the El Serrablo region. Some of the highlights of the town are the numerous medieval churches.