Best mountain passes around Onex are not found within the municipality itself, which is located on the left bank of the Rhône river at an elevation of 427 meters. Onex is characterized by urban development, agricultural land, and forests. However, the region around Geneva, where Onex is situated, serves as a gateway to the Alps, offering access to mountainous terrain suitable for passes. Exploring the wider mountainous areas surrounding the canton of Geneva is necessary to find notable mountain passes…
Last updated: June 26, 2026
Highlight • Mountain Pass
Translated by Google •
Tip by
Highlight • Mountain Pass
Tip by
Sign up now to discover places like this
Get recommendations on the best single tracks, peaks, & plenty of other exciting outdoor places.
Sign up for free
Highlight • Viewpoint
Translated by Google •
Tip by
Highlight • Viewpoint
Translated by Google •
Tip by
Highlight • Viewpoint
Translated by Google •
Tip by
Start today with a free account
Your next adventure awaits.
Login or Signup
The section from La Muraz to Cruseille, passing through Le Sappey, and then the climb from Cruseille to La Croisette are really nice. Beautiful road, few cars and gentle slope!
0
0
Once you pass the Pitons pass, you think you're almost there! 🥵
0
0
At the start of the climb up the Col du Mont-Sion, a nice stop to take a break, eat and enjoy one of the last panoramas of Geneva, just to see how far you've come after leaving the city.
0
0
Col de Croissette. What a beautiful tour. A long climb with percentages up to 18% brings you to the plateau of the mountain. There with rolling roads and paths towards the west to enter the descent and via the North back to Geneva.
0
0
The climb via Collonges sous Salève is the hardest. With slopes averaging 10-11%. Easier on the La Muraz side. The climbs are well shaded. Good surface. Lots of cars on weekends.
0
0
Very hard but shaded and good covering
1
0
From there, you can enjoy a clear view of the French side, particularly of Mont Salève. Le Salève is a very famous mountain where mountaineering was born. There are several high points at 1200m and the climb on foot would take around 1.5 hours from the village below.
1
0
While Onex itself is not mountainous, it serves as a gateway to the Alps. You'll find notable mountain passes and scenic viewpoints in the wider mountainous areas surrounding the canton of Geneva, particularly on Mont Salève and in the Jura Mountains.
Popular spots include Croisette Pass and Col des Pitons, both located on Mont Salève. For panoramic views, consider the View of Mont Salève and the View of the Jura Mountains.
Yes, several viewpoints are considered family-friendly. These include the View of Mont Salève, the View of the Jura Mountains, and the View of Geneva from Col du Mont-Sion. These locations often offer easier access and enjoyable scenery for all ages.
The region around Onex and the nearby mountain passes offers a variety of outdoor activities. You can explore numerous hiking trails, enjoy road cycling routes, or tackle mountain biking trails. Popular options include the Geneva Vineyard Route for cycling or the Compesières Commandery Loop for hiking.
The mountain passes in the region vary in elevation. For example, Croisette Pass is perched at an altitude of 1,175 meters, offering a significant gain in height from the base of Mont Salève.
You can expect stunning panoramic views, including the Jura Mountains and Mont Salève. From the View of the Jura Mountains, you'll see captivating meadows and the shared French-Swiss Jura range, often with snow caps in colder seasons. The western face of Salève provides expansive views over Geneva.
Yes, many passes are part of larger trail networks. For instance, Col des Pitons is a mountain pass with a dedicated trail. The region offers various routes for different activities, such as the 'La 4S du Salève' challenge for cyclists on Mont Salève.
Visitors frequently highlight the rewarding views after an ascent, such as the great view over Geneva from Col des Pitons. The opportunity to cool off at a fountain or dine at local restaurants after an effort, as mentioned for Croisette Pass, is also appreciated. The clear views of the French side, especially Mont Salève, are also a favorite.
While specific public transport routes to each pass from Onex would require local transit information, the region around Geneva is generally well-connected. For areas like Mont Salève and the Jura Mountains, public transport options from Geneva are available, often involving bus services that can take you closer to trailheads.
Absolutely. The area is popular for road cycling, with routes like the 'Croisette Pass – Col des Pitons loop from Lancy-Bachet' offering challenging climbs and scenic descents. The Croisette Pass itself is a key crossing point for cyclists tackling Mont Salève.
Yes, the region provides several vantage points where you can appreciate both mountain ranges. While specific highlights might focus on one or the other, the general elevated terrain around Geneva allows for broad panoramas that often encompass both Mont Salève and the distant Jura Mountains.


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