4.2
(67)
744
riders
53
rides
Gravel biking around Castelnau-Pégayrols offers diverse terrain characterized by the limestone plateaus of the Grands Causses and the deep gorges of the Tarn River. The region features a mix of open, rolling landscapes and more technical paths through woodlands and along river valleys. Elevation changes are common, providing varied challenges for gravel cyclists.
Last updated: October 6, 2026
4.7
(3)
75
riders
46.4km
03:11
720m
720m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
30
riders
74.1km
05:19
1,220m
1,220m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(1)
62
riders
24.9km
01:51
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(12)
49
riders
38.2km
02:44
710m
710m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(4)
41
riders
28.3km
01:47
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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This place is the starting point of the Voie Verte which runs along the Tarn and leads to Creissels. You can discover the troglodytic village of Peyre in particular, a very pleasant forest section which, in places, forms a real green tunnel. Further on, you can enjoy a magnificent view of the Millau Viaduct.
2
0
From the Larzac plateau, the Brunas site offers a vast panorama of the Millau valley. Stretched between the two banks of the Tarn, the viaduct with its seven concrete piers appears in its entirety. Behind it unfolds the entire causse Rouge, a large limestone plateau whose undulations dominate the valley. Then, the Puech d’Andan is distinguished by its wooded silhouette, cut in two by a clear central notch. Further to the right stands the Pouncho d'Agast, a pyramidal promontory marking the beginning of the causse Noir at an altitude of 841 m. Brunas is also a true site for free flight. The take-off area is located directly on the plateau; the site is mainly used with a north wind and allows paragliders to take off and then land in the vicinity of the same sector, with approximately 370 m of elevation difference down to the valley. The spectacle of the sails evolving in front of the viaduct adds a particular dimension to this panorama.
2
0
Perché at an altitude of approximately 730 meters, the Cap de Coste viewpoint overlooks the eastern end of the Boundoulaou cirque. It reveals a vast panorama of the Millau basin and its surrounding massifs. To the left, the easily recognizable Millau Viaduct spans the Tarn valley, connecting the Larzac to the Causse Rouge. Further to the right stretches the latter: a large limestone plateau whose undulations dominate the valley. Then, the Puech d’Andan stands out with its wooded silhouette, cut in two by a clear central notch. Finally, further away, the Pouncho d’Agast, an emblematic relief of the Causse Noir, is easily recognized by its profile like a true limestone pyramid.
2
0
This section of the greenway follows a narrow and shaded path, where dense vegetation forms a real green tunnel in places. The natural surface is particularly pleasant to ride on. These wooded sections alternate with a few openings, which allow you to reconnect with the Tarn river and, further on, the Millau viaduct.
2
0
From this point at the foot of the structure, the regular succession of piers and guyed pylons can be particularly well distinguished. The deck, 2,460 m long, crosses the valley at a height of approximately 270 m above the Tarn. Pier P2, the tallest, culminates at 245 m, while the assembly formed by the pier and its pylon reaches 343 m: a height greater than that of the Eiffel Tower. This perspective also recalls the technical feat that the construction of the viaduct represented. The metal deck was assembled in sections from either side of the valley, then progressively launched across the void. The joining of the two parts was carried out on May 28, 2004, 268 m above the Tarn, before the official inauguration a few months later. An interesting detail can be discerned here: despite its exceptional dimensions, the structure appears remarkably light. This impression is not accidental. The viaduct was specifically designed to blend into the valley by limiting the visual impact of its structure, with a very slender deck and piers that branch out in a "Y" shape.
2
0
From the greenway, the Millau Viaduct is revealed from a particularly spectacular angle! One becomes aware of the extraordinary dimensions of the structure. Built between 2001 and 2004, the viaduct crosses the Tarn valley over 2,460 m and connects the Causse Rouge to the north with the Causse du Larzac to the south. Its metal deck, approximately 32 m wide, rests on seven concrete piers extended by seven cable-stayed pylons. At its highest point, the entire structure reaches 343 m above the ground; the deck is up to about 270 m above the Tarn. Designed by engineer Michel Virlogeux and British architect Sir Norman Foster, the viaduct combines a very slender metal structure with piers whose "Y" shape helps to visually lighten the whole. The deck was manufactured in metal elements and then gradually launched from both ends of the valley. The joining of the two parts was finally carried out on May 28, 2004, at 268 m above the Tarn.
2
0
Absolutely worth seeing - view it from below and definitely join the architecture tour.
0
0
There are over 40 gravel bike trails in the Castelnau-Pégayrols region. These routes offer a diverse range of experiences, from easier paths to more challenging rides through the varied landscape.
Yes, there are 4 easy gravel bike trails available in the region. While many routes here are challenging, you can find options that cater to less experienced riders. For a moderately challenging option that offers great views without extreme difficulty, consider the View of the Millau Viaduct – Millau Viaduct loop from Millau.
The terrain around Castelnau-Pégayrols is characterized by the limestone plateaus of the Grands Causses and the deep gorges of the Tarn River. You'll encounter a mix of open, rolling landscapes, technical paths through woodlands, and routes along river valleys. Elevation changes are common, providing varied challenges.
Yes, many of the gravel bike routes around Castelnau-Pégayrols are designed as loops. For example, the popular La Roque-Sainte-Marguerite – Sainte-Marguerite's Rocks loop from Millau is a circular trail exploring rocky formations and varied landscapes.
The region offers several scenic viewpoints. You can find stunning vistas at the Pas Destrech Cross, the Millau Viaduct Viewpoint, and the Cap de Coste Viewpoint. The Millau – Viewpoint loop from Millau is specifically designed to take you past several such spots.
Absolutely. You can discover natural wonders like the Cascade des Raspes du Tarn waterfall, the Dinosaur Footprints of Peyre, and the impressive Cliffs of the Cirque du Boundoulaou. The iconic Millau Viaduct is also a prominent landmark visible from many routes.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 40 reviews. Reviewers often praise the diverse terrain, the stunning views of the Grands Causses and Tarn Gorges, and the variety of routes available for different skill levels. Over 700 gravel bikers have used komoot to explore this region.
Routes vary significantly. For instance, the Millau – Former Cade farm loop from Millau is about 15.5 miles (25 km) with around 570 meters of elevation gain, while the Millau Viaduct – View of the Millau Viaduct loop from Millau covers approximately 29.2 miles (47 km) with over 900 meters of ascent. Expect significant elevation changes due to the region's topography.
The spring and autumn months generally offer the most pleasant conditions for gravel biking in this region, with milder temperatures and beautiful scenery. Summers can be hot, especially in the gorges, while winters can bring colder weather and potentially challenging trail conditions.
While specific cafes directly on every trail are not guaranteed, many routes pass through or near small villages and towns like Millau, where you can find various options for refreshments and meals. Planning your route with potential stops in mind is recommended.
Parking availability varies by trailhead. In larger towns like Millau, you will find designated parking areas. For routes starting in smaller villages or more remote locations, roadside parking might be an option. It's advisable to check the specific route details on komoot for parking recommendations before you set out.


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