Route de Millau Route d’Agen Mountain Pass Road in Parc naturel régional des Grands Causses

The Route de Millau - Route d’Agen is situated in the Massif Central mountain range in southern France, within the administrative region of Midi-Pyrénées. This road traverses the Parc naturel régional des Grands Causses, a protected natural park known for its limestone plateaus and diverse landscapes. The road runs near several settlements including Route de Ségur, Route d’Agen, Route de Rodez, Route de Millau, and Pont de Pouly. The nearest significant town at the road's endpoint is Rodez, located approximately 6.8 kilometers (4.2 miles) from the starting point. The road also follows the course of the Le Viaur river for about 40% of its length, adding to the natural features along the route. An interactive map showing the road section discussed here is available at the end of this article.

The Route de Millau - Route d’Agen extends for approximately 28.6 kilometers (17.8 miles) and is primarily a two-lane asphalt road with excellent surface quality rated at 4.9 out of 5. The road width is predominantly wide (about 84%), with middle width sections accounting for 12% and narrow sections only 3%. The road is gently curved with a curviness rating of 0.63, making it manageable for riders seeking a balanced ride without extreme twists. The speed limits vary along the route, with maximum speeds of 80, 90, 70, and 50 km/h (50, 56, 44, and 31 mph) depending on the section. Approximately 19.3% of the road passes through inhabited areas, providing occasional access to local amenities. The elevation ranges from 540 meters (1,772 feet) at the lowest point to 876 meters (2,874 feet) at the highest, with the notable mountain pass Col d'Aujols at 881 meters (2,890 feet) situated along the route.

The road includes the Col d'Aujols mountain pass, which is a key feature for motorcyclists interested in mountain riding within the Massif Central. The pass elevation of 881 meters (2,890 feet) offers riders a moderate altitude experience without extreme elevation changes. The entire route passes through the Parc naturel régional des Grands Causses, a regional natural park that protects the unique limestone landscapes and biodiversity of the area. This park is recognized for its geological formations and traditional rural culture. More information about the park can be found on its official website at Parc naturel régional des Grands Causses and its Wikipedia page Parc naturel régional des Grands Causses.

About 40% of the road runs adjacent to the Le Viaur river, which flows through the Aveyron department. The river adds a dynamic natural element to the ride, with views of flowing water and river valleys. The Le Viaur river is approximately 254 kilometers (158 miles) long and is part of the larger Aveyron river basin. The surrounding landscape is typical of the Massif Central, featuring rolling hills, limestone plateaus, and rural settlements. Riders can expect a combination of open stretches and sections with gentle curves, making the route suitable for a variety of riding styles. Additional information about the river is available on its Wikipedia page Le Viaur.

The road surface is predominantly asphalt and in excellent condition, making it suitable for all types of motorcycles. The road width and lane distribution (about 95% two lanes) allow for comfortable overtaking and safe riding. The speed limits vary, so riders should be attentive to posted signs, especially when passing through inhabited areas or near the mountain pass. There are no known tolls or entrance fees for this road, but conditions may change, so checking local sources before travel is advisable. The road is open year-round, but as it crosses a mountain pass, winter weather conditions may affect accessibility. Riders should verify seasonal closures or restrictions with local authorities or the park administration. This article focuses on the road section visible on the map below, providing a comprehensive overview for motorcyclists planning a ride in this part of the Massif Central.