4.6
(153)
2,610
riders
222
rides
Road cycling routes around Altenach traverse the Sundgau region, characterized by its gently rolling hills, river valleys, and agricultural landscapes. The terrain offers a mix of relatively flat sections suitable for leisurely rides and more challenging ascents, with some routes featuring elevation gains over 900 meters. The area provides a network of roads that connect charming villages and offer views of the surrounding countryside.
Last updated: July 31, 2026
4.6
(11)
29
riders
54.8km
02:44
310m
310m
Cycle the moderate 34.0-mile La vallée de la Largue loop from Dannemarie, enjoying verdant landscapes and a car-free greenway.
4.5
(29)
393
riders
49.1km
02:13
130m
130m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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4.0
(2)
18
riders
51.7km
02:05
220m
220m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(1)
36
riders
80.9km
03:57
1,030m
1,030m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
3.5
(4)
18
riders
23.6km
01:15
140m
140m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Virtually no incline, good asphalt – everything invites you to pedal briskly through beautiful nature.
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The former railway line between Dannemarie and Pfetterhouse has been redesigned according to the well-known French principle as a perfect "piste cyclable" or "voie vert." Good asphalt, gentle gradients, and, above all, a lack of motorized traffic entice you to glide along at a brisk pace. Often through beautiful forests or through fields, only occasionally do you have to cross a road where there used to be a tunnel or bridge, which has unfortunately been dismantled.
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At the start of the long Voie Vert route on the former railway line between Dannemarie and Pfetterhouse, you'll also find the Dannemarie town sign with a small statue. From here, keep left until you reach the actual cycle path.
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A well-maintained fish pond outside Ballersdorf – so well maintained that it stands out from similar ponds in the area. Caution and also worth mentioning: directly in front of it, there's a substantial traffic calming barrier: two concrete elements rise almost waist-high to the left and right. Fortunately, there's space in the middle for bicycles.
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Every lock along the route provides for an unusual background and a good memory of your bike trip. A lot of these locks have a bridge going over them, take the time to branch off the bridge and discover some of the nice villages along the canal.
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The French and European National Cycleway is a great cycleway winding along side of the Rhine Rhone Canal with very little climbing, for those who do not like to climb. However those who are climbing shy, must be aware of the wind in this area. A lot of the locks still have the former lock man’s house which adds a bit of charm to every lock. One is never alone on this route as there is a constant passing of bicycles, both leisure and racing bikes.
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The Rhine Rhone Cycleway is part of the National French and European Cycleway. This stretch of the cycleway has excellent smooth asphalted pavement. There are some nice restaurants and cafés along the way which are sometimes hidden but can easily be found on the map.
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This nice country road offers the cyclists a great alternative to the busy road. The surface is manly good and no traffic.
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There are over 200 road cycling routes around Altenach, offering a wide variety of options for different skill levels and preferences.
The road cycling routes around Altenach traverse the Sundgau region, characterized by gently rolling hills, river valleys, and agricultural landscapes. You'll find a mix of relatively flat sections and more challenging ascents, with some routes featuring elevation gains over 900 meters.
Yes, Altenach offers a good selection of routes suitable for beginners. There are 58 easy road cycling routes, many of which follow river valleys or flatter agricultural areas, providing a gentle introduction to the region's cycling. A good example is the Eglingen Lock – Balschwiller Washhouse loop from Dannemarie, which features a relatively flat profile.
Absolutely. For experienced riders seeking a challenge, there are 26 difficult road cycling routes around Altenach. These routes often include significant elevation gains, such as the Hundsruck Pass – Hundsruck loop from Dannemarie, which features over 900 meters of climbing.
Yes, many of the road cycling routes in Altenach are designed as loops, allowing you to start and finish in the same location. This is a common feature of routes in the region, such as the Brunnen mit Trinkwasser. loop from Mertzen.
Road cycling routes in Altenach offer picturesque views of the Sundgau region's countryside, including agricultural fields, charming villages, and river valleys. You'll often ride past historic landmarks and natural features. The View of the viaduct – Maison de la Nature du Sundgau loop from Dannemarie offers diverse scenery.
Yes, several routes pass by notable landmarks. You might encounter historical sites like the Port of Dannemarie, the Eglingen Lock, or sections of the Canal du Rhône au Rhin. The region also features beautiful lakes like Étang La Belle Île.
The best time for road cycling in Altenach is generally from spring through autumn (April to October). During these months, the weather is typically mild and pleasant, making for ideal cycling conditions through the rolling hills and valleys of the Sundgau region.
The road cycling routes in Altenach are highly rated by the komoot community, with an average score of 4.6 stars from over 160 reviews. Cyclists often praise the well-maintained roads, the scenic countryside, and the variety of routes available for all skill levels.
Many of the easier routes in Altenach, particularly those with less elevation gain and away from heavy traffic, are suitable for families. The region's network of roads and cycle paths, like parts of the Largue Valley Cycle Path, offer pleasant and safe options for family outings.
While specific public transport links directly to route starting points can vary, many towns and villages in the Sundgau region, including Dannemarie, are connected by regional bus services or train lines. It's advisable to check local transport schedules for the most convenient access to your chosen route's starting point.
Parking is generally available in the towns and villages that serve as common starting points for road cycling routes, such as Dannemarie or Mertzen. Look for public parking areas, often near town centers or train stations, which provide convenient access to the regional road network.


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