4.6
(24)
189
riders
23
rides
Mountain biking around Outines features a landscape dominated by the vast Lac du Der-Chantecoq, one of Europe's largest artificial lakes. The terrain is generally flat, with minimal elevation changes, making it suitable for accessible cycling. Routes often follow the lake's shoreline, passing through open areas and some forested sections. The region offers a network of trails designed for various skill levels.
Last updated: June 18, 2026
5.0
(3)
33
riders
33.5km
01:50
130m
130m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
18
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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4.8
(4)
14
riders
40.7km
02:19
150m
150m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
7
riders
14.4km
00:45
60m
60m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3.0
(1)
12
riders
27.1km
01:51
80m
80m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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This is the supply canal from the Marne to the lake, the canal is 12 kilometers long.
1
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The lake's water level is at its highest at the end of June, and at its lowest at the end of October - at that time, a large part of the lake is flooded, and the remains of the stumps of the former trees can still be seen.
0
0
View of the lake and the only kind bird world
3
0
Great place with almost everything your heart desires 👍
2
0
What can I say? This nature is simply wonderful.
3
0
Now at the beginning of October it is simply beautiful 🤩
1
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Beautiful reservoir with many nature reserves and a huge number of birds
3
0
The attractive seawall provides an ideal setting for relaxing walks and enjoying the fresh sea air. A perfect option for a relaxing moment. In summer, it is often easily accessible without water.
1
0
The terrain around Outines is predominantly flat, characterized by the vast Lac du Der-Chantecoq. You'll find minimal elevation changes, making it suitable for accessible cycling. Routes often follow the lake's shoreline, passing through open areas and some forested sections.
Yes, Outines offers a good selection of easy mountain bike trails. There are 16 easy routes available. A great option for beginners is the Lake Der-Chantecoq – Observatory loop from Giffaumont-Champaubert, which is 9.5 miles (15.3 km) long and provides flat paths.
While the region is generally flat, there are a few routes that offer a moderate challenge. You can find 5 moderate and 3 difficult mountain bike routes around Outines. For a moderate option, consider the View of Lac du Der – Roadway (often submerged) loop from Arrigny, which covers 28.9 miles (46.5 km).
Many of the easy, flat trails around Lac du Der-Chantecoq are suitable for families. The minimal elevation changes make them accessible for riders of varying ages and skill levels. The View of Lac du Der – Camping Beach at Lac du Der loop from Camping Foret is an easy 12-mile (19.3 km) route that could be a good family choice.
Many of the mountain bike routes around Outines are circular, offering convenient loops. For example, the popular Lake Der-Chantecoq – Lake Der-Chantecoq loop from Giffaumont-Champaubert is an 18.3-mile (29.4 km) loop with extensive lake views.
Trail lengths vary, but many routes are designed for half-day or full-day excursions. For instance, the Tour of Lac du Der – View of Lac du Der loop from Camping Foret is 16.8 miles (27.1 km) and typically takes about 1 hour 50 minutes to complete. Shorter options are also available, such as the 9.5-mile (15.3 km) Lake Der-Chantecoq – Observatory loop from Giffaumont-Champaubert.
The trails often offer scenic views of Lac du Der-Chantecoq. You can also find points of interest like the Port of Giffaumont-Champaubert, the Saint-Laurent Church, and various viewpoints of the lake, such as the View of Lac du Der. The area is also known for birdwatching, especially near the observatory.
Yes, besides the lake itself, you can explore landmarks like the Steel Bridge to Île de Chantecoq and the unique Submersible Footbridge of Lac du Der. These offer interesting sights and photo opportunities along your ride.
The region around Lac du Der-Chantecoq is generally pleasant for cycling from spring through autumn. While winter riding is possible, be prepared for colder temperatures and potentially windy conditions, especially on exposed lakeside paths. Always check local weather forecasts before heading out.
The komoot community rates the mountain bike trails around Outines highly, with an average score of 4.4 stars from over 20 reviews. Riders often praise the extensive views of Lac du Der, the flat and accessible paths, and opportunities for birdwatching, particularly on routes near the observatory.
Yes, the area around Lac du Der-Chantecoq is a significant bird sanctuary, especially during migration seasons. Trails that pass near the observatory, such as the Lake Der-Chantecoq – Observatory loop from Giffaumont-Champaubert, offer excellent opportunities for birdwatching.


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