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Italy
Aosta Valley

Issime

Top 20 Mountain Passes around Issime

Best mountain passes around Issime are found in Italy's Aosta Valley, a region characterized by high-altitude terrain and diverse natural landscapes. Issime serves as a gateway to several passes, many of which are historically significant as ancient trade and migration routes. The area offers a variety of routes, from accessible paths through wooded areas to challenging alpine treks. These passes provide opportunities to explore the region's natural beauty and cultural heritage.

Best mountain passes around Issime

  • The most popular mountain passes is Col de Joux, a mountain pass that connects Saint-Vincent to Brusson. This wooded pass features simple, non-technical trails and offers panoramic views on the Saint-Vincent side.
  • Another must-see spot is Ranzola Pass, a mountain pass serving as a watershed between the Val d'Ayas and the Gressonay valley. It is known for its panoramic views and a plaque commemorating the passage of Lev Tolstoy.
  • Visitors also love Mologna Grande Pass, a mountain pass connecting Valle Cervo to Valle di Gressoney along the Alta Via n. 1. This panoramic itinerary offers views as far as Mont Blanc.
  • Issime is known for wooded passes, historic routes, and challenging climbs. Visitors can explore a variety of mountain passes, from those with accessible trails to more demanding alpine routes.
  • The mountain passes around Issime are appreciated by the komoot community, with over 120 upvotes and 40 photos shared by visitors.

Last updated: May 14, 2026

Col de Joux

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Col de Joux, located at 1,640 meters above sea level, is a wooded pass connecting Saint-Vincent to the municipality of Brusson. The trails leading here are simple and non-technical, offering panoramic views on the Saint-Vincent side and passages through the woods on the Brusson side. The Ru Courthoud trail also begins here.

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Ascent to Col Tzecore from Challand

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Length about 6.2 km, average gradient 9%.
The most challenging part is immediately after the village of Orbeillaz, it is about 2 km from 12 to 17% gradient!

Tackled for the first time by professionals during the Giro d'Italia 2018, on the stage towards Cervinia.

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Mologna Grande Pass

Highlight • Mountain Pass

The climb offers a unique view: the Mont Blanc massif appears behind it. I recommend stopping at La baita di Lidia to eat.
If you do not intend to descend on the Piedmont side from Colle del Loo,
you can continue to col Lazouney and then continue up to Niel.

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Rosazza Tunnel Road

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historical route that connects the Oropa valley with the Cervo valley through the gallery of the same name, was commissioned by the Senator of the Kingdom of Italy Federico Rosazza (1813 - 1899). It dates back to the last decade of the 19th century. Today the main tourist attraction in the Biella area.

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Col de Joux Climb from Saint-Vincent

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The climb is very long with fairly easy slopes, you have to know how to manage.

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Popular around Issime

Hiking around Issime

Running Trails around Issime

Road Cycling Routes around Issime

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Tips from the Community

Riccardo 🍄
June 13, 2025, Colle della Mologna Grande

Colle della Mologna Grande (about 2,390m) connects Valle Cervo to Valle di Gressoney along the Alta Via n. 1. Reachable from Piedicavallo via a well-preserved historic mule track, it is a panoramic itinerary that passes by the Rivetti Refuge and offers spectacular views as far as Mont Blanc.

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Dalexis
June 3, 2025, Col de Joux

Hill with gentle slopes and a short climb

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GIVI-Bike
July 1, 2024, Col de Joux

The Col de Joux is a picturesque pass connecting the Ayas Valley to the central valley. The gradients to reach it, both from Saint-Vincent and from Brusson, are always manageable, but never negligible. The word Joux likely derives from a pre-Latin term meaning wooded hill. Others, however, maintain a Latin connection to the word Jugum, meaning yoke, and hence hill.

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From Oropa you go up, and then, through the tunnel, you can go down from the other side. However, it is done just after the end of winter, apart from the risk that the snow will prevent it from being done, but the roads remain dirty, so, before May, it is a bit risky to tackle it.

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Col de Joux, located at 1,640 meters above sea level, is a wooded pass connecting Saint-Vincent to the municipality of Brusson. The trails leading here are simple and non-technical, offering panoramic views on the Saint-Vincent side and passages through the woods on the Brusson side. The Ru Courthoud trail also begins here.

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Now (August '23) there is a prohibition sign shortly after Col de Joux due to landslides, you are forced to go down to the valley. So in theory the path of the tunnels is forbidden; traveled last year, BEAUTIFUL.

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Stefano Soave
February 17, 2023, Col de Joux

Pedalable slopes with panoramic passages on the Saint-Vincent side and passages in the woods on the Brusson side.

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Grg74
January 24, 2023, Col de Joux

The galleries are beautiful but after them for those who ride a bicycle there is a piece to do with the bike on their shoulders

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Frequently Asked Questions

What are some of the most popular mountain passes around Issime?

Among the most appreciated mountain passes in the area, you'll find Col de Joux, known for its wooded trails and panoramic views towards Saint-Vincent. Another favorite is Ranzola Pass, which offers stunning vistas and a plaque commemorating the writer Leo Tolstoy. Visitors also highly rate Mologna Grande Pass, which provides expansive views reaching as far as Mont Blanc.

Which mountain passes around Issime are known for their historical significance?

Several passes in the Issime region boast rich history. Colle di Valdobbia is particularly notable as an ancient route for Walser migration and trade between the 14th and 17th centuries. It is also home to the historic Rifugio Ospizio Sottile, one of Europe's highest hospices. Colle Ranzola was a frequently used route by Valsesian emigrants and features a plaque commemorating Leo Tolstoy's passage in 1857, as well as remnants of 18th-century fortifications. Additionally, Col Chasten is reached via an ancient Walser trail, highlighting its cultural heritage.

Are there family-friendly mountain passes or routes near Issime?

Yes, Col de Joux is considered family-friendly, offering simple, non-technical trails through wooded areas. The ascent to Colle Ranzola from Estoul is also relatively accessible, marked as 'T' (touristic) difficulty, making it suitable for a wider range of visitors seeking stunning views without extreme difficulty.

What kind of views can I expect from the mountain passes in this region?

The mountain passes around Issime offer diverse and breathtaking views. From Col de Joux, you can enjoy panoramic views on the Saint-Vincent side. Colle Ranzola provides highly panoramic positions, with views towards the distant Mont Blanc. Mologna Grande Pass offers spectacular views that extend to the Mont Blanc massif. Colle Dondeuil and Col Chasten also promise sweeping views of the Alps and valleys, showcasing the region's natural beauty.

What are some challenging mountain passes for experienced trekkers near Issime?

For experienced trekkers seeking a challenge, Colle del Lupo is an excellent choice. It presents a demanding path along the Alta Via 1, traversing the beautiful and less-frequented Tourrison valley. Colle di Valdobbia, while historically significant, is also part of major long-distance trails like the Grande Traversata delle Alpi (GTA) and Via Alpina, offering a challenging trek with steep sections. Additionally, the ascent to Col Tzecore from Challand is known for its challenging gradients, particularly after the village of Orbeillaz.

Are there hiking routes available near these mountain passes?

Yes, the Issime area is rich with hiking opportunities. You can find challenging routes like the "Via Alpina Blue Trail: Issime to Col Dondeuil" or the "Ancient Walser trail to Col Chasten from Kunju." For more options, explore the various trails listed in the Hiking around Issime guide, which includes routes of varying difficulties.

What kind of outdoor activities can I do near the mountain passes around Issime?

Beyond hiking, the region offers diverse outdoor activities. Road cyclists can tackle challenging climbs such as the "Colle Tzecore da Tilly" or the "Col de Joux – Brusson loop from Challand-Saint-Anselme." You can find more details on these and other cycling routes in the Road Cycling Routes around Issime guide. For those interested in more strenuous mountain excursions, the Mountain Hikes around Issime guide provides options like the "Monte Camino – Rifugio Rosazza loop from Oropa."

What is the best time to visit the mountain passes around Issime?

The best time to visit the mountain passes around Issime is generally during the warmer months, from late spring to early autumn (roughly June to September). During this period, the trails are typically free of snow, and the weather is more stable, making for safer and more enjoyable hiking and cycling. Winter conditions can be challenging, with potential avalanches, especially around passes like Colle Ranzola, so caution is advised.

Can I find traditional architecture or cultural insights along the mountain pass routes?

Absolutely. The route to Colle Dondeuil passes through mountain pastures where traditional 'stadel' (typical rural buildings) can be admired, offering insights into local Walser architecture. Col Chasten is reached via an ancient Walser trail, directly connecting you to the region's cultural heritage. Colle di Valdobbia, with its historic Rifugio Ospizio Sottile, also provides a tangible link to the past, showcasing the ingenuity of early travelers and communities.

Are there any refuges or places to stay overnight near the mountain passes?

Yes, Colle di Valdobbia is notable for the Rifugio Ospizio Sottile, an almshouse founded in 1822 that now functions as a refuge offering food and lodging. This provides a unique opportunity for trekkers on long-distance trails to rest and experience a piece of history. While not all passes have direct refuges, many routes connect to nearby villages or other refuges within a day's journey.

What are the typical difficulty levels for trails leading to these passes?

The difficulty levels vary significantly. Some trails, like parts of the ascent to Colle Ranzola from Estoul, are classified as 'T' (touristic), indicating relatively easy access. Others, such as the path to Colle Dondeuil, are rated 'E' (excursionist), requiring more effort. More challenging routes, like those leading to Colle del Lupo along the Alta Via 1 or the climb to Col Tzecore, feature steep gradients and are suitable for experienced hikers or cyclists.

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See even more epic mountain passes by checking out these guides around Issime:

CourmayeurChâtillonAyasGressoney-Saint-JeanPré-Saint-DidierChamoisBrussonSaint-Rhémy-En-BossesMontjovetLa MagdeleineTorgnonValtournencheValgrisencheAntey-Saint-AndréSaint-VincentLa ThuileLa SalleRhêmes-Notre-DameGressoney-La-TrinitéChambaveChampdeprazAviseEtroublesGabyChalland-Saint-AnselmeBionazEmarèseFénisMorgexSaint-MarcelSaint-OyenCogneChalland-Saint-VictorPonteyValsavarencheNusSaint-DenisOllomontIssogneBrissogneChamporcherParco Nazionale Gran ParadisoFontainemoreGignodQuartArvierOyaceVerrayesCharvensodArnadLillianesVerrèsAostaDouesPontbosetPerlozSaint-PierreGressanPolleinRhêmes-Saint-GeorgesDonnasValpellineAymavillesSarreIntrodPont-Saint-MartinAlleinSaint-NicolasHôneSaint-ChristopheDora BalteaVilleneuveRoisanBardJovençanMont Avic Natural Park

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