Best mountain passes in Biella are situated in the Pennine Alps, offering access to diverse natural landscapes. The region features various passes that connect valleys and provide routes through mountainous terrain. These passes are notable for their geographic significance and the opportunities they present for outdoor activities. The area's topography includes alpine pastures, scree slopes, and forested areas.
Last updated: April 28, 2026
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The **Passo (or Bocchetto) di Bocchetto Sessera is an alpine pass located in the Biella Alps, in the Province of Biella (Piedmont, Italy). It connects the Valle dello Strona di Mosso with the Val Sessera, between the mountains Monte Marca (1,558 m) and Monticchio (1,697 m).
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Main entrance to the Oasi Zegna, from which many paths start, including the "Bosco del Sorriso" path and others
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Hill separating the Cervo Valley from the Lys Valley. At the end of June 2025, high presence of mosquitoes.
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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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from the Cervo Valley from here you enter the Sessera Valley
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pass that separates the Sessera Valley from the Sesia Valley
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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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Connection point between Valsesia and Valsessera.
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The mountain passes in Biella offer diverse terrain. You can expect to find alpine pastures, imposing scree slopes, rocky walls, and forested areas, including beech woods. Passes like Mologna Grande Pass are reached via well-preserved historic mule tracks, while others like Bocchetto Sessera feature trails through woods.
Several mountain passes in Biella provide excellent panoramic views. From Mologna Grande Pass, you can see the Mont Blanc massif. Colle della Gragliasca offers views of the Gressoney Valley, Pragnetta Valley, Monte Mars, and Gran Gabe. Bocchetta di Margosio and Colle della Colma are also known for their captivating vistas.
Yes, there are. The historic mule track leading to Colle della Gragliasca, commissioned in 1886, features stone carvings, seating areas, and shelters. Near Colle della Colma, you'll find the Oropa Sanctuary, a UNESCO World Heritage site and the largest Marian sanctuary in the Alps, housing the Black Madonna.
The mountain passes in Biella are excellent starting points for various outdoor activities. You can enjoy mountain biking, Nordic walking, hiking, and running. In winter, areas like Bocchetto Sessera transform into spots for cross-country skiing and snowshoeing. For more specific routes, you can explore hiking trails in Biella or waterfall hikes.
The mountain passes in Biella can be enjoyed throughout the year. Warmer months are ideal for hiking, mountain biking, and Nordic walking. In winter, passes like Bocchetto Sessera Pass are perfect for snow sports like cross-country skiing and snowshoeing, especially on north-facing slopes where snow lasts longer.
Yes, Bocchetto Sessera Pass offers the 'Bosco del Sorriso' (Smiling Forest), an experiential walk through beech woods with fables for children, designed to be family-friendly. The Panoramica Zegna, which includes parts of the route to Colle della Colma, is also considered family-friendly.
For experienced trekkers seeking a challenge, Colle della Gragliasca is a notable option. It's primarily accessible by a historic mule track, and the ascent is described as long and strenuous, leading through diverse and wild environments. Mologna Grande Pass also involves a significant climb.
Many popular hiking routes are accessible from the mountain passes. For example, from Bocchetto Sessera Pass, you can find mountain biking routes that lead towards Valsesia. The historic mule track to Colle della Gragliasca is a significant hiking route itself. You can find more detailed hiking options in the Hiking in Biella guide, including routes like the Via Alpina Blue Trail.
Yes, accessibility by car is generally good for several passes. Bocchetto Sessera Pass, for instance, is easily accessible by car via the scenic Strada Provinciale 232 Panoramica Zegna. The road to Colle della Colma is also well-maintained and popular among cyclists and drivers.
Yes, some passes offer facilities. Near Bocchetto Sessera Pass, you can find the Bocchetto Sessera Inn, which offers accommodation and traditional Piedmontese cuisine. Near the tunnel opening on the Rosazza side of Colle della Colma, there is also a restaurant with good views. Additionally, the Mologna Grande Pass area has 'La baita di Lidia' for food.
Bocchetto Sessera Pass is popular due to its accessibility, diverse outdoor activities, and unique features. It serves as a starting point for mountain biking routes and offers the 'Bosco del Sorriso' for families. In winter, it's a hub for cross-country skiing and snowshoeing, with the Bocchetto Sessera Inn providing amenities.
Colle della Gragliasca is significant for its historical value and natural beauty. It connects the Valle Cervo with the Valle del Lys via a historic mule track commissioned in 1886. The challenging ascent rewards visitors with continuous views and a journey through a wild, picturesque valley, offering panoramic vistas of surrounding peaks and valleys.


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