Into the Pyrenees on N 330

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

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.

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 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.

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.

15km/9mi from Biescas a road branches off on the right and runs northeast through the narrow Gargantas de Escalar to the spa of Balneario de Panticosa (alt. 1,659m/5,443ft; radioactive sulfurous water), magnificently situated on a lake in a rocky cirque.

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.

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

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