4.3
(93)
5,740
runners
261
runs
Jogging routes Groissiat offer access to the natural beauty of France's Ain department, characterized by lush forests, diverse water features, and scenic lakes. The area provides varied terrain for runners, from flat, wide paths like the Lange gentle path and greenways connecting Oyonnax to Nantua, to an extensive network of pedestrian and mountain biking trails winding through rich forests. These trails allow exploration of the region's natural diversity, including coniferous and deciduous trees, and geological formations. Significant water bodies such…
Last updated: October 28, 2026
398
runners
49.4km
06:43
1,590m
1,600m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
16
runners
27.0km
03:24
750m
750m
Hard run. Very good fitness required. Mostly runnable paths. Some sure-footedness required.

5.0
(1)
33
runners
9.32km
01:03
130m
130m
Moderate run. Good fitness required. Mostly paved surfaces.
14
runners
8.16km
00:51
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces.
5.0
(1)
20
runners
29.6km
03:06
160m
160m
Hard run. Very good fitness required. Mostly paved surfaces.
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The Lac de Nantua is a superb body of water of 141 hectares. In the heart of the Jura, it offers an ideal setting for practicing a multitude of sports. It is even possible to swim in its waters.
2
0
Pretty little lake in the heart of the small Jura mountains
0
0
Beautiful, simple, easy walk; lots of traffic noise on the "road" section, a bit of a shame, but the color of the water is magical
2
0
Trail des Maquisards at night: it’s cold but magical!
0
0
Unfortunately I was unlucky with the weather, but even as I drove past the place looked very nice, lots of grass and a place to swim.
1
0
Memorial to the victims of deportation.
3
0
Impressive rock above Mantua
0
0
Groissiat offers a wide selection of running routes, with over 200 trails available. These include 21 easy routes, 124 moderate options, and 74 challenging trails, ensuring there's something for every runner's preference and fitness level.
Yes, Groissiat is home to several easy and beginner-friendly options. The Lange gentle path and the greenway connecting Oyonnax to Nantua are both 3-meter wide, flat, and pleasant routes with minimal elevation changes, perfect for a smooth and unchallenging run.
Runners in Groissiat can expect a diverse range of terrain. The area features lush forests with both coniferous and deciduous trees, diverse water features, and scenic lakes. You'll find dedicated greenways for flat runs, as well as an extensive network of pedestrian and marked mountain biking trails winding through forests, offering varied surfaces and some elevation changes.
Absolutely. For those seeking a challenge, routes like the Lac Genin – Ascent to Lac Genin loop from Martignat offer significant elevation gain, with over 1500 meters of ascent over nearly 48 kilometers. Another demanding option is the Panoramic view of the lake – View over Lake Nantua loop from Martignat, which features over 1300 meters of elevation gain.
Groissiat's running routes offer views of stunning natural features. You can enjoy the beauty of Lake Genin and Lake Nantua, the largest natural glacial lake in the Ain. The region also boasts unique geological formations like 'marmites' and the picturesque Cascade de Groissiat, a refreshing natural attraction.
Yes, many routes in Groissiat are designed as loops. For example, the Running loop from Martignat and the Running loop from Groissiat are popular circular options, allowing you to start and finish at the same point without retracing your steps.
Many trails in Groissiat are suitable for families, especially the flatter and wider paths. The 'Lange gentle path' and the greenway between Oyonnax and Nantua are excellent choices for family runs, offering a safe and enjoyable experience for all ages due to their minimal elevation and well-maintained surfaces.
While specific regulations can vary, generally, dogs are welcome on many of the outdoor trails in the Groissiat region, especially on the extensive network of pedestrian and mountain biking trails through the forests. It's always recommended to keep your dog on a leash and ensure you clean up after them to preserve the natural environment for everyone.
The running routes in Groissiat are highly rated by the komoot community, with an average score of 4.3 stars from over 70 reviews. Reviewers often praise the region's natural beauty, the variety of terrain from flat greenways to challenging forest paths, and the scenic views of lakes and forests. Over 4000 runners have used komoot to explore Groissiat's varied terrain.
Yes, the region offers several scenic viewpoints. The Panoramic view of the lake – View over Lake Nantua loop from Martignat specifically highlights stunning vistas over Lake Nantua. Additionally, the region research mentions a viewpoint of Nantua from Cessiat, providing picturesque backdrops for your run.
Groissiat offers appealing running conditions throughout much of the year. The lush forests and diverse water features provide a refreshing environment in warmer months. Spring and autumn are particularly pleasant with mild temperatures and vibrant natural colors. Even in winter, the well-maintained paths can be enjoyable, though conditions may vary.


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