3.8
(4)
37
riders
7
rides
Gravel biking around Rochefort-Samson offers access to the diverse landscapes of the Vercors Regional Natural Park in the Drôme department of southeastern France. The region features a mix of paved roads and varied unpaved tracks, including forest paths, winding country roads, and gravelled sections. This mid-mountain landscape is characterized by limestone cliffs, high plateaus, green valleys, and dense forests, providing a range of terrain for gravel cyclists. The Drôme valley further expands the network with back roads and rolling tracks.
…Last updated: October 5, 2026
9
riders
48.5km
03:30
650m
650m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.5
(2)
6
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
132km
09:47
3,200m
3,200m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
4
riders
49.0km
04:08
1,460m
1,460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Prepare to experience one of the most spectacular and exciting road routes in Europe! The Combe Laval road, nestled in the Vercors massif, is a true engineering masterpiece of the 19th century. Also known as the "road of dizziness," it winds for about 4 kilometers literally carved into the limestone rock, offering passages through suggestive tunnels and natural balconies with breathtaking drops that will take your breath away.
12
0
Get ready to experience one of the most spectacular and exciting road routes in Europe! The Combe Laval road, nestled in the Vercors massif, is a true masterpiece of 19th-century engineering. Also known as "the road of dizziness," it winds for about 4 kilometers literally carved into the limestone rock, offering passages through suggestive tunnels and natural balconies with breathtaking overhangs that will leave you breathless.
9
0
The Col de la Machine (1,011 m) is one of the most spectacular and famous access gates to the entire Vercors massif. World-renowned for being the highest point of the legendary Combe Laval, this pass offers a steady climb (around 6% average gradient from Saint-Jean-en-Royans) that winds through a dense and majestic forest.
9
0
La Combe Laval is one of the most spectacular scenic roads in the Vercors massif. The D76 was carved into the rock face between the 19th and 20th centuries and passes through a succession of tunnels, ledges, and sections suspended over the valley.
11
0
One of the symbolic climbs of the Vercors. The road climbs through forests and rocky walls up to the pass, offering spectacular views of the Drôme valley. A very evocative climb, popular with cyclists, ideal for immersing yourself completely in the wild landscape of the Vercors.
10
0
A perfect place to stop, take some photos and enjoy the tranquility and beauty of the panorama for a few minutes.
11
0
The climb starts quite gently from Chamaloc and becomes progressively more challenging as you enter the spectacular valley. The most scenic part is the final section, with hairpin bends set into the rock faces and the impressive crossing of the Col du Rousset tunnel.
11
0
From here, a wide and evocative view opens up onto the surrounding landscape, with valleys, mountains, and small villages stretching out to the horizon.
12
0
There are 6 gravel bike trails around Rochefort-Samson, offering a range of experiences from moderate to difficult. These routes are highly rated by the komoot community, with an average score of 4.2 stars.
The terrain around Rochefort-Samson is incredibly varied, reflecting its location near the Vercors Regional Natural Park. You'll encounter a mix of paved roads, forest paths, winding country roads with cracked paving, and gravelled tracks. The landscape features limestone cliffs, high plateaus, green valleys, and dense forests, providing diverse surfaces for gravel biking.
Yes, Rochefort-Samson offers several challenging routes with significant elevation gains. For instance, the Cirque of Combe Laval – Machine Pass loop from Saint-Jean-en-Royans is a difficult 43.5-mile (70.0 km) trail with over 1,700 meters of elevation gain through the Vercors massif. Another demanding option is the View on arthemonay – Montmiral church loop from Romans - Bourg-de-Péage, a difficult 30.1-mile (48.5 km) path traversing varied terrain.
While many routes offer significant challenges, there are moderate options available. The Vanelle dam – Natural Quarry loop from Romans - Bourg-de-Péage is a moderate 36.7-mile (36.7 km) route with over 330 meters of elevation gain, offering a good balance for those looking for a less strenuous ride. Another moderate option is the View over Mours-Saint-Eusèbe – Romans-sur-Isère station loop from Romans - Bourg-de-Péage, which is 26.2 miles (26.2 km) long.
The region is rich in natural beauty. Many routes pass through or offer views of the stunning Vercors Regional Natural Park, known for its limestone cliffs and deep gorges. You can explore highlights like the dramatic Combe Laval Cirque, or ride towards mountain passes such as the Ascent to the Col de la Machine, Col de Bacchus, and Col de la Bataille, which offer spectacular vistas.
Yes, many of the gravel routes around Rochefort-Samson are designed as loops, allowing you to start and finish in the same location. Examples include the challenging Cirque of Combe Laval – Machine Pass loop from Saint-Jean-en-Royans and the shorter Machine Pass – Cirque of Combe Laval loop from Saint-Jean-en-Royans.
The Vercors region, including Rochefort-Samson, offers diverse landscapes that are enjoyable across seasons. Spring and autumn generally provide the most pleasant temperatures for cycling, with vibrant foliage or blooming wildflowers. Summer can be warm, especially in the valleys, but higher elevations offer cooler rides. Winter can bring snow to the higher parts of the Vercors, making some trails inaccessible, but lower routes might still be rideable.
Rochefort-Samson itself is a smaller commune. While specific public transport options directly to trailheads might be limited, the broader Drôme department has regional bus services. For detailed information on public transport routes and bike carriage policies, it's advisable to check local transport authority websites or contact the regional tourist office.
The area is highly rated by the komoot community, with an average score of 4.2 stars from over 40 gravel bikers. Reviewers often praise the varied terrain, the stunning natural beauty of the Vercors Regional Natural Park, and the sense of adventure offered by the mix of paved and unpaved tracks. The challenging climbs and rewarding descents are also frequently highlighted.
The suitability for families depends on the specific route and the family's experience level. While some routes feature significant elevation and technical sections, the region also offers easier, rolling tracks through green valleys. For family outings, look for routes described as 'moderate' or 'easy' and consider shorter distances with less elevation gain. Always check the route details before heading out.
Many natural areas in France, including parts of the Vercors Regional Natural Park, are generally dog-friendly, especially on trails. However, it's crucial to keep dogs on a leash, particularly in areas with wildlife or livestock, and to respect local regulations. Always carry water for your dog and be mindful of their endurance on longer rides. Specific restrictions might apply in certain protected zones, so checking local signage is recommended.
Rochefort-Samson and its surrounding villages offer various options for accommodation and dining. You'll find local restaurants and cafes in the communes within the Drôme valley and near the Vercors Regional Natural Park. For accommodation, options range from guesthouses and B&Bs to small hotels. It's recommended to check local tourism websites for current listings and booking information, especially during peak seasons.


Browse the best Gravel rides in other regions.