Col de Milan, also known as Puerto de Milan, is a high mountain pass located in the province of Huesca, in the autonomous community of Aragon, Spain. It is part of the Pyrenees mountain range and is a popular destination for cyclists and hikers due to its stunning landscapes and challenging terrain. In this article, we will delve into the details of Col de Milan, its history, and its significance as a cycling destination.
Geography and Access
Col de Milan is situated at an elevation of 1,720 meters (5,643 feet) above sea level. It connects the valleys of Hecho and Aragüés, serving as a natural border between the provinces of Huesca and Navarre. The pass is accessible via the A-136 road, which connects the towns of Jaca and Pamplona. The nearest town to Col de Milan is Aratorés, located about 10 kilometers to the south.
Climate and Best Time to Visit
The climate at Col de Milan is typical of high-altitude mountain regions, with cold winters and mild summers. The best time to visit is during the spring and summer months, from May to September, when the weather is pleasant, and the roads are clear of snow. However, even during these months, visitors should be prepared for sudden changes in weather.

Cycling at Col de Milan
Col de Milan is a popular destination for cyclists, both amateur and professional. The climb from the south side, starting in Aratorés, is particularly challenging, with an average gradient of 7.5% over 15 kilometers. The north side, starting in Roncal, is slightly easier, with an average gradient of 6.5% over 18 kilometers.
Cycling Events and Records
Col de Milan has been featured in several editions of the Vuelta a España, the Spanish Grand Tour cycling race. The first time it appeared was in 1992, and it has since become a regular fixture. The pass has also been climbed by legendary cyclists such as Miguel Indurain and Alberto Contador.
In 2018, the Col de Milan was included in the route of the Tour de France for the first time. Stage 17 of the race started in Bagnères-de-Luchon and finished at the summit of the pass, with the winner of the stage receiving the polka-dot jersey, the award for the best climber in the race.

Hiking and Other Activities
Col de Milan is not only a destination for cyclists. The area offers a variety of hiking trails for all levels, from easy walks to challenging multi-day treks. The GR-11, a long-distance trail that runs along the Pyrenees, passes through Col de Milan.
Other activities in the area include horseback riding, fishing, and wildlife watching. The Ordesa y Monte Perdido National Park, a UNESCO World Heritage Site, is located nearby and offers stunning landscapes and a rich variety of flora and fauna.
History and Culture
The Col de Milan has a long history of human activity. Archaeological remains found in the area indicate that it was inhabited during the Bronze Age. The pass was also an important trade route during the Roman period, connecting the cities of Caesaraugusta (present-day Zaragoza) and Pompaelo (Pamplona).

Today, the Col de Milan is an important symbol of the cultural heritage of the Pyrenees. The pass is named after the Milan family, who were landowners in the area during the Middle Ages. The family's coat of arms can still be seen on the summit of the pass.
Accommodation and Services
Despite its remote location, Col de Milan offers a range of accommodation options for visitors. There are several hotels and guesthouses in the nearby towns of Aratorés and Roncal, as well as campsites and mountain refuges along the hiking trails.
There are also several restaurants and cafes in the area, offering traditional Aragonese cuisine. The local specialties include dishes such as migas (fried breadcrumbs), ternasco (roast lamb), and borrajas (fried squash blossoms).
| Elevation | 1,720 meters (5,643 feet) |
|---|---|
| Length (south side) | 15 kilometers |
| Length (north side) | 18 kilometers |
| Average Gradient (south side) | 7.5% |
| Average Gradient (north side) | 6.5% |
Col de Milan is a unique destination that offers a blend of history, culture, and natural beauty. Whether you are a cyclist, a hiker, or simply a lover of the great outdoors, Col de Milan has something to offer you. So why not plan a visit and discover the magic of this high mountain pass for yourself?




















