Ask most people what the Roncal valley is, and if they know the name at all, they know it as a cheese. Queso Roncal, the raw sheep’s milk cheese that in 1981 became the first product in Spain to earn a Denominación de Origen, the country’s protected-origin designation. That put it three years ahead of manchego, the cheese the rest of the world assumes came first. That fact gets repeated on every cheese retailer’s page and nowhere else. What it leaves out is that the same seven villages that produce the cheese also gather every July 13 at a stone marker high in the Pyrenees to receive three cows from France, honoring a truce that has held, largely without interruption, since 1375.
Reducing Roncal to a cheese product misses what actually makes the valley distinct: a working transhumance route that has moved sheep between the same two landscapes since at least the 9th century, a treaty ceremony that predates the founding of most European nation-states and is still observed exactly as written, and a native son who became one of the most celebrated opera singers of his generation. The cheese did not create the valley’s character. The valley’s character, built on seasonal movement between mountain and plain, created the cheese.
This article draws on Spain’s Ministry of Culture registry of intangible cultural heritage, the production specifications maintained by INTIA (the Gobierno de Navarra’s agri-food technical body, which also runs the Reyno Gourmet program), the Junta General del Valle de Roncal’s own published geography, and cross-verified regional press coverage, rather than repeating what a product label already says.
The Geography: Where Navarra Runs Out of Flat Ground
The Roncal valley, called Erronkari in Basque, sits in the far northeast corner of Navarra, in the Pyrenees, one valley east of Ochagavía and the Salazar Valley, at the point where Navarra, Aragón, and France meet. Seven towns share the valley: Burgui, Vidángoz, Garde, Roncal, Urzainqui, Isaba, and Uztárroz. The Esca River runs the length of it, threading forest, pasture, and exposed rock between the villages.
At the head of the valley, in the district of Isaba, lies the Belagua valley: a glacial basin ringed by peaks between roughly 1,700 and 2,000 meters, among them Larrondoa, Lakartxela, Binbalet, Lákora, and Txamantxoia. Adjoining it is Larra, one of the more significant karst landscapes in Europe, a stretch of limestone pocked with sinkholes and cave systems where black pine forces its way up through the rock. Larra-Belagua also hosts the valley’s cross-country ski center, the only meaningful winter-sports infrastructure in this stretch of the Navarrese Pyrenees. The valley climbs from here toward the highest ground in the whole region, the Tres Reyes massif on the French frontier, the summit of Navarra’s Pyrenees-to-Ebro geography.
This is not gentle countryside. The terrain that makes Roncal difficult to farm is the same terrain that made herding, rather than agriculture, the valley’s defining economy for over a thousand years, and that economy is the actual root of everything else in this article. Further west, in a gentler corner of the same Navarrese Pyrenees foothills, Señorío de Bertiz shows a very different kind of Navarra landscape, a managed beech forest and historic garden rather than open grazing country.
The Cheese: What DOP Roncal Actually Requires
Queso Roncal earned its Denominación de Origen by Ministerial Order on 2 March 1981, making it the first cheese in Spain to receive the designation. The Gobierno de Navarra’s Department of Agriculture formally approved the Regulatory Council’s rules on 3 July 1989.
The specification is narrow by design. The cheese must be made from raw milk of Latxa and Rasa Navarra sheep, sourced exclusively from registered farms inside the valley, with only animal rennet and salt added. Nothing else. It must age a minimum of four months from the end of salting, during which the wheels are regularly turned and cleaned. And it can only be produced within the same seven municipalities that make up the valley itself: Burgui, Garde, Isaba, Roncal, Urzainqui, Uztárroz, and Vidángoz. The cheese boundary and the valley boundary are the same line on a map, which is not an accident. Production is audited by INTIA, the Navarra government’s agri-food technical institute, which also runs the Reyno Gourmet promotional program for the region’s protected foods, alongside products like Navarra’s own espárragos and pimientos del piquillo, which carry the same kind of narrowly defined protected status. In March 2026, DOP Roncal joined Origen España, the national association representing Spain’s protected designations, as a new member. Burgos followed a similar path decades later: its own fresh cheese, Queso de Burgos, did not secure comparable protection until September 2025, more than four decades after Roncal set the precedent.
The Cañada Real: The Route That Explains the Cheese
The cheese exists because of a much older practice: transhumance. Written references to seasonal grazing between Roncal and the lowland Bardenas Reales date to the 9th century, and in the year 882, Navarrese monarchs granted the people of Roncal permanent rights to graze their flocks in the Bardenas, a right that, remarkably, still functions today.
The route between the two is the Cañada Real de los Roncaleses, roughly 150 kilometers of drove road connecting Roncal’s high mountain pastures to the Bardenas lowlands and the neighboring Cinco Villas region of Aragón, traditionally covered on foot over seven stages. The practice continues on a reduced scale today: roughly a dozen shepherds still walk the route each year with flocks of around a thousand Rasa Navarra sheep, sleeping outdoors over six or seven stages before reaching the summer pastures, where the flocks remain until autumn.
This seasonal rhythm, flocks wintering in the Bardenas and summering in Roncal’s high country, is what generated a milk surplus each summer that needed to travel and last. Cheese was the answer before refrigeration was. The DOP specification did not invent the tradition; it formalized something shepherds had already been doing for centuries.
The Tributo de las Tres Vacas: A Truce Older Than Most Countries
Every 13 July, representatives of the Roncal valley and the neighboring French valley of Baretous meet at the Piedra de San Martín, a stone boundary marker high in the Pyrenees, for a ceremony first recorded in writing in 1375. According to Spain’s Ministry of Culture, which lists the ceremony on its national registry of intangible cultural heritage, the agreement settled a long-running dispute between the two valleys over pasture and water rights, formalized after King Charles III of Navarra and the Baretous vicar intervened to stop a cycle of violent clashes between shepherds on both sides.
The terms have not changed. French flocks from Baretous get grazing and water rights on the Roncal side of the border for 28 days starting July 13; Roncal keeps rights on the French side until December 25. As payment, the mayors of Baretous deliver three live cows to the Navarrese valley, which gives the ceremony its name. It is widely described as the oldest international agreement still actively honored in Europe, and it has survived events that ended most other treaties of its age, including the Napoleonic occupation, when French mayors reportedly persuaded the imperial administration to let the centuries-old arrangement with their Navarrese neighbors continue undisturbed. In July 2025, the two valleys marked the ceremony’s 650th anniversary.
Roncal is not the only Navarra valley whose old rights never fully transferred to a central government. Farther north, the Valle de Baztan still governs its shared land under its own written ordinances, a body of law with roots in the 1600s that is still being formally revised today.
For anyone in Pamplona during the second week of Sanfermines, it’s worth knowing that July 13 falls inside festival week. The Tributo de las Tres Vacas has no connection to the encierro or the fiesta and should not be mistaken for one, but the overlap on the calendar means a visitor in Navarra for San Fermín is, by coincidence, in the same region during the same days as the oldest treaty ceremony still observed in Europe, roughly ninety minutes northeast in the mountains.
Julián Gayarre: The Valley’s Other Export
Roncal’s most celebrated native is not a cheesemaker but a tenor. Julián Gayarre was born in the village of Roncal in 1844, into a shepherd family, the same economy that produced the valley’s cheese. Fellow Navarrese composer Hilarión Eslava arranged a scholarship that sent him to Madrid’s Royal Conservatory, and Gayarre went on to originate leading tenor roles, including Marcello in Donizetti’s Il Duca d’Alba and Enzo in Ponchielli’s La Gioconda. Many music critics of the late 19th century considered him the finest Italianate tenor of his generation.
His career effectively ended on 8 December 1889, when his voice cracked mid-performance at Madrid’s Teatro Real. He reportedly knelt and said, “No puedo cantar más.” I cannot sing anymore. He died 25 days later, at 45, and was buried in Roncal. His grave is marked by an elaborate marble and bronze mausoleum by sculptor Mariano Benlliure, commissioned immediately after his death but not completed and installed until 1901. The mausoleum won the Medal of Honor for Sculpture at the 1900 Paris Universal Exposition, and it remains in the Roncal cemetery today.
Gayarre’s brief career and death are only half the story. Pamplona itself renamed its main civic theater after him in 1903, and that theater is still called Teatro Gayarre today.
Frequently Asked Questions
What is Roncal cheese made from?
Roncal cheese (Queso Roncal) is made exclusively from raw milk of Latxa and Rasa Navarra sheep, with only animal rennet and salt added. It must age a minimum of four months and can only be produced within the seven municipalities of the Roncal valley in Navarra.
Is Roncal the oldest DOP cheese in Spain?
Yes. Queso Roncal received Spain’s first Denominación de Origen for a cheese, by Ministerial Order on 2 March 1981. The Regulatory Council’s formal rules followed in 1989.
Where is the Roncal valley in Spain?
The Roncal valley sits in the Navarrese Pyrenees, in the far northeast corner of Navarra, at the point where Navarra, Aragón, and France meet. It comprises seven towns: Burgui, Vidángoz, Garde, Roncal, Urzainqui, Isaba, and Uztárroz.
What is the Tributo de las Tres Vacas?
The Tributo de las Tres Vacas is an annual ceremony held every July 13 at the Piedra de San Martín, on the border between Navarra’s Roncal valley and France’s Baretous valley. First recorded in 1375, it settles historic grazing and water rights between the two valleys, with French mayors delivering three cows to Roncal as payment. It is considered the oldest continuously honored international treaty in Europe.
Every article on the Encierro blog is authored or reviewed by active bull runners with direct experience in Pamplona.