Mountain passes around Onzo are located in the upper Arroscia Valley, a region within the Province of Savona in Liguria, Italy. Onzo is situated at an elevation of approximately 400 meters on the southern slope of Monte Peso Grande. The surrounding Ligurian Prealps provide access to several mountain passes. These passes offer scenic routes and opportunities for outdoor activities.
Last updated: June 26, 2026
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crossroads in the Ligurian hinterland about ten kilometers from the sea
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A small village typical of the Ligurian Apennines.
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in the area there are many trails built by local bikers, of varying difficulty
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Pass on the watershed between the Ligurian and Po Valley sides, a few metres from the source of the Bormida river
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top section of the old state road, before the tunnels were built. When you are here you can only go down, whichever direction you go :-)
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Spectacular view of the Ligurian Apennines
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Reachable on asphalt from Castelvecchio, the slopes are gentle and very easy to pedal. Several paths start from the Colle
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The mountain passes around Onzo offer diverse natural beauty. For instance, Ginestro Pass provides views of the olive groves around Imperia. From Colle Scravaion, you can enjoy wonderful panoramas of the Ligurian mountains, as it sits on the watershed connecting the Ligurian water basin to the Po valley. Many passes feature winding roads and elevated viewpoints characteristic of the Ligurian Apennines.
The mountain passes around Onzo are excellent for various outdoor activities, especially cycling and hiking. Many passes, like Ginestro Pass, are known as key bike connections. You can find numerous cycling routes, including road cycling and gravel biking, that incorporate these scenic passes. For detailed routes, explore the Cycling around Onzo, Gravel biking around Onzo, and Road Cycling Routes around Onzo guides.
Yes, several cycling routes in the area feature these mountain passes. For example, the Road Cycling Routes around Onzo guide includes routes like the 'Colle Scravaion β Giogo di Toirano Pass (801 m) loop from Castelbianco'. Ginestro Pass is also a popular cycling connection from the coast to the hinterland, often included in tours from Albenga, Alassio, or Laigueglia.
The Ligurian region generally enjoys a mild climate. Spring and autumn are often ideal for exploring the mountain passes, offering pleasant temperatures for cycling and hiking without the intense heat of summer or the potential for snow in winter at higher elevations. Always check the local weather forecast before your visit, especially for higher passes like Colle San Bartolomeo (1440 m), where fog can sometimes obscure views.
While many mountain passes involve climbs, some sections or nearby routes can be family-friendly. San Bartolomeo Pass is noted as family-friendly in its categories. When planning family outings, look for routes described as 'easy' or 'moderate' in difficulty, and consider shorter loops or sections of longer trails. Always assess the specific route details and elevation changes to ensure it's suitable for all family members.
Visitors particularly appreciate the scenic routes and the sense of discovery. Many enjoy the comfortable climbs and wonderful views, especially from passes like Colle Caprauna (1175 m), which offers great views of the surrounding mountains with little traffic. The picturesque setting of places like Colle Scravaion, a small village typical of the Ligurian Apennines, also adds to the charm.
Yes, some mountain passes around Onzo have historical significance related to their role as old transportation routes. For example, San Bartolomeo Pass is located on the old SS28 road and represents a top section of the old state road before modern tunnels were constructed, functioning as a historical crossroads.
While Onzo itself is a small municipality, the surrounding area and villages along the routes may offer cafes, pubs, or restaurants. Passes like Colle Scravaion are settlements, which might have local establishments. It's advisable to check in advance for specific services along your chosen route, especially in more remote mountain areas.
Onzo is situated in a more rural part of Liguria. While local bus routes might connect some villages, direct public transport to the higher mountain passes can be limited. Many visitors prefer to access these passes by car or as part of a cycling tour. For specific routes, researching local bus schedules to nearby towns or trailheads is recommended.
Many of the passes in the Ligurian Prealps, while known to locals and cyclists, can offer a sense of tranquility away from major tourist crowds. For instance, Colle Caprauna (1175 m) is noted for being a 'little busy road' with hardly any cars, offering a more peaceful experience and wonderful views. Exploring the less-trafficked roads connecting the valleys often reveals such hidden gems.
The mountain passes around Onzo vary in elevation. Onzo itself is at approximately 400 meters. Passes like Colle Caprauna reaches 1175 meters, and Colle San Bartolomeo is at 1440 meters. These elevations provide significant climbs and panoramic views characteristic of the Ligurian Prealps.


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