The stage, step by step
The climb from Ruesta
Leave Ruesta with water and some food, as there are few opportunities during the first stretch. Between km 0.5 and km 6.5, you climb 342 m, with an average gradient of 5.7%; it is a sustained climb, best tackled with short, steady steps.
Undués de Lerda
After reaching the top, the descent towards Undués de Lerda begins. This is the main intermediate village, and you can find Unduesina there, a useful place to eat or take a break. Do not expect a succession of bars and shops after leaving Ruesta.
Descent towards the Aragón
From km 6.5 to km 22, the route descends 452 m. The landscape gradually opens out and the path draws closer to the Aragón river; enjoy the chance to loosen your legs, but stay alert on the extended downhill sections.
Entering Sangüesa
All the stage’s services are concentrated at the finish. As soon as you enter, you have Albergue de Peregrinos de Sangüesa and the first supermarkets, BM and Autoservicio Gallo. You can then head into the centre to visit its churches and rest without having to walk any further.
What to see on stage 4
Basílica de Santa María la Real de Sangüesa
The Romanesque basilica was donated by Alfonso I the Battler in 1131. Its doorway is one of the finest examples of Navarrese Romanesque and deserves a leisurely visit after the descent.
Iglesia de Santiago el Mayor
It was built between the 12th and 14th centuries specifically to serve pilgrims on the Jacobean route. It is a particularly fitting stop at the end of this stage.
Palacio de los Reyes de Navarra
The fortified medieval palace recalls Sangüesa’s political and defensive importance. The city was a frontier post between Aragón and Navarre and retains a historic centre closely linked to that position.
Puente medieval de Sangüesa
The Romanesque bridge crosses the Aragón river and was partly rebuilt in 1892. It is one of the clearest landmarks of the historic approach to the city.
Where to sleep in Sangüesa
You leave Albergue de Ruesta and, if you want to split the stage, Undués de Lerda has a youth and group hostel shortly after km 11. The rest of the accommodation is at the finish: in Sangüesa you have Albergue de Peregrinos de Sangüesa, Albergue del Camping and Hostal JP if you prefer a private room. The stage is short and many people combine it with the previous one, so confirm availability before setting off in summer.
Where to eat and refuel
Unduesina in Undués de Lerda is the clearest intermediate stop. On reaching Sangüesa, you can choose between Asador Mediavilla, Ciudad de Sangüesa and Bar Landa, as well as the cafés Panadería - Pastelería Labrit, San Salvador and La Cepa. For shopping, Sangüesa has everything you need: BM, Autoservicio Gallo, Covirán and Dia Market. In Ruesta, by contrast, do not leave buying food until the last minute.
Practical tips for this stage
Tackle the climb early
The first half of the stage gains 342 m between km 0.5 and km 6.5. Set off early if it is hot and use a comfortable pace from the start; you will have a very long descent afterwards, but it is not an entirely easy stage.
Carry water from Ruesta
There is no reliable fountain on the climb or during the subsequent descent. Leave with a full bottle and use Unduesina for a break, without relying on finding water during the downhill section.
Book in Sangüesa
Sangüesa is the stage’s main service centre, with hostels, shops, pharmacies and restaurants. That is precisely why it can attract large numbers of pilgrims: confirm Albergue de Peregrinos de Sangüesa or your alternative before setting off.
Look after your feet on the descent
Between km 6.5 and km 22, the descent totals 452 m. Lace your boots properly, shorten your stride and do not let a fast start on the descent catch up with you by the time you reach Sangüesa.
Frequently asked questions about stage 4
How long is the initial climb?
The main climb runs from km 0.5 to km 6.5: 6 km and 342 m of elevation gain, with an average gradient of 5.7%. It is the section that defines the day’s effort.
Are there services before Sangüesa?
The intermediate reference point is Undués de Lerda, with Unduesina. After that, a long descent begins to Sangüesa, so it is advisable to carry water and walking food from Ruesta.
Where can I shop on arrival?
In Sangüesa you have BM, Autoservicio Gallo, Covirán, Unide and Dia Market. You will also find pharmacies and several bars, cafés and restaurants to cover everything you need at the end of the stage.