Canyons around Les Bois are primarily found in the surrounding Jura region of Switzerland, a municipality known for its heavily forested landscape. This area offers notable gorges and combes that are popular for hiking and outdoor activities. The region's geography includes diverse landscapes, from high plateaus and forests to river valleys. These natural features provide varied experiences for those exploring the terrain near Les Bois.
Last updated: June 28, 2026
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Please note: following a landslide, Combe Grède is closed until further notice.
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Please note that most of the photos associated with the route are photos of the via ferrata and the names of the ladders themselves, which are very solid stairs and not rope bridges! It is perfectly feasible for hiking, even if the height can be disconcerting.
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Steep forest path on the ascent to the Chasseeral
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Everything is in good working order. A beautiful experience, thank you to whomever keeps this maintained and safe!
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Here you can still get a glimpse of the original world. A worthwhile reserve
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Superb path through the wild gorge to reach the summit of Chasseral. There are some technical passages, with three ladders to climb. The path can be very slippery in rainy weather.
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The Combe Biosse connects the Val de Ruz and the summit of Chasseral along paths that lead through beech forests, superb pastures, and impressive cliffs.
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The region around Les Bois, particularly the Jura, offers a variety of gorges and combes. You can find everything from wild, romantic gorges with bubbling streams and dense forests, like Combe Biosse Gorge, to more challenging routes featuring ladders and technical passages, such as Combe Grède Gorge. Many trails follow old smuggler's paths and lead to the Doubs river, offering diverse landscapes.
Yes, several gorges in the area offer challenging experiences. Combe Grède Gorge is known for its technical passages and ladders, leading towards the summit of Chasseral. Another highly challenging option is The Ladders of Death, which is part of a via ferrata course with metal ladders suspended between the cliffs of the Doubs gorges.
Absolutely. The region is notable for gorges that incorporate ladders into their trails. The Ladders of Death is a prime example, featuring three metal ladders as part of a via ferrata. Similarly, Combe Grède Gorge also includes sections with ladders, and Combe de Biaufond has a path with stainless steel ladders and wooden platforms along the river.
The gorges around Les Bois are set within a heavily forested landscape, offering views of dense beech forests, high plateaus, and impressive cliffs. You'll encounter bubbling streams, rivers like the Doubs, and sometimes even waterfalls, such as those found along the Ladder Trail and Waterfall in Parc naturel régional du Doubs Horloger. The diverse terrain also includes pastures and peaceful reservoirs.
Summer days are ideal for visiting the gorges as they offer wonderfully cool temperatures. However, it's crucial to exercise caution during or after rain, as paths can become very slippery, especially on limestone. Some trails, like Combe de Biaufond, are not recommended in case of rain or thunderstorms due to potential river level increases. Always check local conditions before heading out.
While many gorges in the area feature challenging sections and ladders, making them less suitable for very young children, there are options for families with older children or those seeking less technical routes. For example, the general area of Combe Biosse Gorge offers picturesque forest paths that can be enjoyed by families, though some sections might be steep. Always check specific trail descriptions for suitability.
Dog-friendliness varies by trail. Some challenging routes with ladders, such as Combe de Biaufond, are explicitly not suitable for dogs due to the technical passages. For other trails, it's best to check individual route descriptions or local signage. Generally, trails without ladders or very narrow, exposed sections are more likely to be dog-friendly.
Beyond exploring the gorges, the region around Les Bois offers a wide range of outdoor activities. You can find extensive hiking trails, including routes like the 'Along the Doubs Trail' or loops around Lac de Biaufond. There are also numerous cycling routes, such as the 'Jura pastures' loop, and challenging MTB trails, including those around Mont Soleil Wind Farm.
Yes, safety is paramount. Many gorge trails, especially those with ladders or technical passages like Combe Grède Gorge or Combe de Biaufond, can be very slippery in wet conditions. It's advised not to attempt these routes during rain or thunderstorms. Some paths are narrow and muddy, and certain sections may require a good head for heights. Always wear appropriate footwear and check weather conditions before you go.
The region has a rich history, with some gorge trails following old smuggler's paths, particularly those leading to the Doubs river which marks the border with France. For instance, the area around Combe de Biaufond is known for its historical significance as a smuggler's route. The Ladders of Death via ferrata also takes place in the Doubs gorges, which for a long time sheltered smuggling activities between Switzerland and France.
Many gorges in the Les Bois area provide stunning viewpoints. Combe Grède Gorge leads to the summit of Chasseral, offering expansive views. The via ferrata at The Ladders of Death includes belvederes where you can admire the superb landscapes of the Doubs gorges. Combe de Biaufond also offers picturesque views as it descends into the natural gorge towards the Doubs river.
Given the varied terrain and potential for slippery conditions, sturdy hiking boots with good grip are essential. Layers of clothing are recommended to adapt to changing temperatures, especially if you're ascending to higher elevations or entering shaded gorges. For routes with ladders or technical sections, comfortable clothing that allows for a full range of motion is advisable. Always be prepared for potential mud and moisture.


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