Ordesa y Monte Perdido National Park

Overview

Ordesa y Monte Perdido is a national park in the central Pyrenees, in the north of Huesca province, built around the limestone massif of the Tres Sorores and the four deep valleys that drop away from it. Nobody charges you to walk in. The only thing that regulates numbers is the shuttle bus that replaces private cars on the Ordesa valley road through the summer.

The park itself covers 15,696 hectares, with another 19,196 hectares of peripheral protection zone wrapped around it, and it falls from 700 metres on the río Bellós at Puyarruego to 3,348 metres at the top of Monte Perdido, described by the park as the highest limestone massif in Europe. That vertical range is the reason the walking is so good: in a single morning you climb out of beech and fir wood into subalpine pasture with 1,000 metre cliffs on either side.

Four valleys make up the park and they are not interchangeable. Ordesa is the famous one, a 13 km glacial trough with a flat floor, the río Arazas running its full length from the Cola de Caballo waterfall down to the Puente de los Navarros, and horizontal ledges called fajas cut into the walls above. Añisclo is a narrow limestone canyon reached from Escalona by a one-way road. Escuaín is a karst gorge with caves and sinkholes. Pineta sits on the northern side of the Monte Perdido massif above Bielsa and is the one high-mountain valley you can drive into all year.

Seven separate UNESCO designations touch this territory, the best known being the cross-border Pirineos-Monte Perdido World Heritage site, shared with France and inscribed in 1997. None of that changes what you actually do here, which is walk. The signed routes in the Ordesa valley alone run from an hour to a full day, and above them sits a serious high-mountain world that needs equipment and judgement.

Visiting

Access to the park is free, in every valley, all year. What you cannot always do is drive to the trailhead: while the Torla shuttle is running, the road up to the Pradera de Ordesa is closed to private cars except vehicles carrying a blue disabled badge, which need a day pass issued at the Torla-Ordesa visitor centre.

Start at the Centro de Visitantes de Torla-Ordesa, next to the car park on Avenida de Ordesa. In the 2026 season it opens daily 09:00 to 14:00 and 16:15 to 19:00, switching to a straight 07:45 to 19:00 from 19 June to 20 September; the season itself runs 29 March to 24 October. Staff there will tell you which routes are clear of snow, which is the single most useful thing anyone can give you in June or October.

The Pradera de Ordesa, where the bus stops, is not a bare car park. There is an information point in an old mountain house at the edge of the meadow, and it has a café-restaurant and a shop attached. It opens 08:00 to 17:00 from 1 June to 30 September and 09:00 to 17:00 either side of that. Beyond it there is nothing, so fill your bottles and go.

The five signed routes in Ordesa

The park publishes technical sheets for five waymarked itineraries out of the Ordesa valley, and the numbers are worth reading before you pick one.

Route	Type	Distance	Time	Ascent
Torla to Pradera by Turieto Bajo or Alto	circular	14.70 km	2 h each way	380 m
Pradera to Cascadas del Estrecho	circular	5.75 km	1 h	140 m
Pradera to Circo de Soaso and Cola de Caballo	linear	16.32 km	3 h each way	475 m
Senda de los Cazadores, Faja de Pelay and Soaso	circular	18.5 km	7 h	770 m
Pradera to the Cotatuero cirque	linear	5.6 km	1 h 30 each way	400 m

Route 3 is the one everybody walks. It follows the valley floor past the Cascadas del Estrecho, leaves the beech wood for pasture and black pine, climbs the rock steps of the Gradas de Soaso, and crosses the flat grassy floor of the Soaso cirque to the Cola de Caballo waterfall at the head of the valley. The park recommends returning the same way.

Route 5 is the quiet one. It leaves the Soaso path at the image of the Virgen del Pilar, zigzags up through mature silver fir to the Cotatuero bridge, and looks across at a waterfall with a 200 metre drop. The upper cirque is reached by a single passage fitted with iron pegs, and that section is for experienced mountaineers only.

The other three valleys

Añisclo is entered from Escalona along the canyon road, which is one-way, and parks at San Úrbez on the Ereta de Biés; there is a second car park at La Tella reached from Fanlo, Nerín, Buerba and Vió. Escuaín has an informal parcel for about 40 cars in the village and roadside space at Revilla. Pineta has the largest car park in the park, 500 spaces on the left bank of the río Cinca near the Parador de Bielsa, charged at 3 euros per vehicle per day in high season by Bielsa town hall. All three fill up on August weekends and close when they do.

Sleeping out is tightly controlled. In the Ordesa sector, bivouacking and overnight camping are banned outright apart from the Góriz refuge campsite, capped at 50 people a night and bookable only through the refuge’s own website. In Añisclo, Escuaín and Pineta you may bivouac only above 1,650 m, 1,800 m and 2,550 m respectively, for no more than three nights in the same sector, with tents up no earlier than an hour before sunset and down within an hour of sunrise.

History

A royal decree of 16 August 1918 created the park, then a small reserve confined to the upper Ordesa valley. The campaign behind it came from naturalists and Pyrenean walkers, among them Lucien Briet, whose monument still stands on the path between the two Turieto tracks above Torla.

Monte Perdido had been climbed a century before the park existed. The first recorded ascent was in 1802, by a party sent up by Louis Ramond de Carbonnières, a French scientist who had spent years trying to locate and measure the mountain from the northern side.

The park stayed small for sixty-four years. Law 52/1982, passed on 13 July 1982, reclassified and enlarged it to something close to its present shape, pulling in Monte Perdido itself and the Añisclo, Escuaín and Pineta valleys.

The most recent change to how the place works is the one visitors feel. Decree 16/2022, published in February 2022, amended the park’s management plan to ban camping and bivouacking across the whole Ordesa sector, leaving the Góriz campsite as the single legal exception and requiring a booking and a fee to use it.

Getting there

By car

Torla-Ordesa is the gateway village for the Ordesa valley and Aínsa is the road junction for the other three. From Zaragoza and Huesca the route is the A-23 motorway to Sabiñánigo, then either the HU-321 to Fiscal or the N-260 over the Cotefablo pass into the Broto valley and up to Torla-Ordesa. From Barbastro, take the N-123 and then the A-138 to Aínsa, where turnings lead off to Bielsa for Pineta, to Escalona for Añisclo and Escuaín, and west through Boltaña and Broto for Ordesa. Coming from France, the three crossings in Huesca province are the Bielsa-Aragnouet tunnel for Pineta, the Portalet pass for Biescas and the Somport tunnel for Jaca.

Parking in Torla-Ordesa, next to the visitor centre and the bus departure point, is free all year and open to cars and coaches, though you cannot sleep in it. The car park at the Pradera de Ordesa has 410 spaces and is only open to private vehicles when the shuttle is not running; once full, access is cut at the Puente de los Navarros control point.

The Torla shuttle bus

The shuttle is run by Torla-Ordesa town hall and covers Easter, a few holiday weekends, late June through August, most of September and autumn weekends to the start of November. In 2026 the core summer block runs from 19 June to 31 August, with the first bus up at 06:00, the last up at 19:00 and the last one down at 22:00. From 1 to 20 September the last bus up is 18:00 and the last down 21:00, and the October and early November weekends start at 07:00 and finish earlier still.

Buses leave every 15 to 20 minutes, except between 06:00 and 08:00 when they run every half hour. Tickets are sold in person only, at the hut beside the Torla car park, with returns also available in cash at the Pradera restaurant and through some Torla accommodation. There is no online sale and no reservation, and tickets are open, valid on any day and any service. The booth generally opens at 05:45 and closes at 21:30 in June, July and August.

Without a car

The nearest railway station is Sabiñánigo, on the Renfe line towards Canfranc, and from there regional buses serve Broto and Torla-Ordesa on the western side of the park. From Barbastro, buses run through Aínsa to Escalona and Bielsa for the eastern valleys. Torla-Ordesa has a taxi service on +34 630 418 918, useful on weekends outside the bus season when the Pradera car park closes. You can also skip the bus entirely and walk in on the old tracks between Torla and the meadow, the Turieto Bajo or the Turieto Alto, which take about two hours.

Tips

• Get to the Torla car park early on a July or August morning. The valley has a legal ceiling of 1,800 people at any one time, and when it is reached the shuttle is suspended until numbers drop.

• Buy the return leg in Torla rather than at the Pradera. The meadow only sells return tickets and only for cash; the car park booth takes cards.

• Check what the last bus down is on the day you walk, and aim for the one before it. The park’s own advice is not to leave your return to the final service.

• Ask at the Torla visitor centre before committing to anything above the valley floor. Snow sits on the Soaso headwall and the Góriz approaches well into early summer, and the staff have that morning’s information.

• Swimming is not allowed. The management plan prohibits entering watercourses and bodies of water along with lighting fires, flying drones, collecting plants, sporting competitions of any kind, and letting a dog off the lead anywhere in the park.

• Take a dog only if you have thought it through. Dogs travel in the bus hold in an approved crate, three per journey at most, and only crates the operator has available; guide dogs ride in the cabin.

• Carry food and water up from Torla. There is a café-restaurant at the Pradera de Ordesa and nothing at all beyond it.

• If Ordesa is full, drive to Pineta instead. It has 500 parking spaces, an information point at the road head open 08:00 to 17:00 in summer, and roughly a third of Ordesa’s foot traffic.

• The Añisclo canyon road from Escalona is one-way and single-track in places. Check the state of the HU-631 before you set off; the park routinely tells people to do so.

• Come in late September or early October if you can. The shuttle still runs at weekends, the beech woods turn, and the visitor centres stay open to 24 October.