4.7
(54)
2,900
runners
158
runs
Jogging around Entre-Deux-Monts offers a diverse landscape for runners. The region is characterized by its numerous lakes, such as Lake Narlay and Grand Maclu Lake, and notable geological features like the Langouette Gorges. Elevated viewpoints provide scenic vistas across the terrain. With over 160 running routes, the area caters to various fitness levels, from easy paths to more challenging trails.
Last updated: July 6, 2026
5.0
(1)
63
runners
5.06km
00:33
60m
60m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
20
runners
Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.

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13
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
runners
9.46km
01:04
150m
150m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
runners
4.83km
00:31
40m
40m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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🌿 Lake Narlay: Essential Information Location: Frasnois municipality, in the Lakes Region (Jura). Altitude: 748 m. Surface area: 41 ha. Depth: Up to 40 m, making it the deepest lake in the Jura. Origin: Glacial lake, likely formed by a rockfall. Environment: Meadows, forests, peat bogs, Natura 2000 and Ramsar sites. (Copilot)
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Old washhouse with floral decorations and drinking water fountain.
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A former, unlit railway tunnel with a length of 180 meters. A flashlight is extremely helpful here, as there are quite large stones in some places that are invisible in the dark.
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View of the Lac à la Dame and the hilly surroundings with some cow pastures.
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Beautiful view of Lac de Narlay from the hiking trail.
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The Bief de la Ruine waterfall is located in the spectacular Malvaux Gorge. One of the most astonishing features of this waterfall is the fact that it only comes alive after heavy rainfall or during snowmelt. When it dries, it gives way to the spectacle of the carved stone, revealing the "Creux des Joyaux," a natural cave where the water swirls with varying degrees of vigor, polishing a multitude of limestone pebbles thanks to the force of its current.
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The Gorges de la Langouette are impressive for their vastness and the uniqueness of their wild environment. With the many light effects illuminating the mosses and ferns growing beneath the wooded canopy, they exude a gentle and tranquil atmosphere, particularly conducive to relaxation. This unspoiled spot offers a privileged view of the water's work, carving the canyon with its capricious meanders. The Petit Saine River, roaring and unpredictable, overcomes all obstacles to continue its course before converging with the Ain a few kilometers further on.
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Lac de Narlay is a lake in the Jura department of France, about 10 km south of Champagnole in Franche-Comté. It lies at an altitude of 748 m in the municipality of Le Frasnois and covers an area of approximately 0.4 km². The lake is 950 m long and 625 m wide. Its maximum depth is 40 m.
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Entre-Deux-Monts offers a wide selection of running trails, with over 160 routes to choose from. This diverse network caters to various fitness levels and preferences.
Yes, the region has 11 easy running routes perfect for beginners or those looking for a relaxed jog. These trails typically feature gentler terrain and shorter distances.
The running routes in Entre-Deux-Monts are known for their stunning natural beauty. You can expect elevated viewpoints offering panoramic vistas, pristine lakes like Lake Narlay and Grand Maclu Lake, and dramatic geological features such as the Langouette Gorges. Some routes also pass by beautiful waterfalls like Le Grand Saut or Fan Waterfall.
Absolutely. For experienced runners seeking a challenge, Entre-Deux-Monts features 63 difficult running trails. One notable example is the Pic de l'Aigle – Belvédère du grand saut loop from Le Frasnois, which covers 14.3 miles with significant elevation changes.
The running trails in Entre-Deux-Monts are highly regarded by the komoot community, boasting an average rating of 4.8 stars from over 40 reviews. Runners frequently praise the diverse landscapes, from tranquil lake shores to challenging gorge paths, and the well-maintained routes.
Yes, many of the running routes in Entre-Deux-Monts are circular, offering convenient loops that bring you back to your starting point. For instance, the Grand Maclu Lake – Lake Ilay loop from Le Frasnois is a popular moderate circular option.
Yes, the region is characterized by its numerous lakes. You can enjoy runs around Lake Narlay, Grand Maclu Lake, and Lake Ilay. A great example is the Shores of Lake Narlay – Lake Narlay loop from Le Frasnois, which offers a scenic 3.1-mile run directly along the lake.
Yes, the dramatic Langouette Gorges are a prominent feature in the region. You can experience them on routes like the Langouette Gorges – Tunnel de 180 m de long sur la Tramjurasienne editorial name for French users loop from Les Planches-en-Montagne, which even includes a tunnel section.
The running trails in Entre-Deux-Monts vary significantly in length. You'll find shorter routes around 3 miles, such as the Shores of Lake Narlay loop, up to longer, more demanding trails exceeding 14 miles, like the Pic de l'Aigle loop.
Beyond the natural beauty, several routes pass by notable landmarks. You can run past the impressive Pic de l'Aigle, offering incredible views, or discover various waterfalls like Saut Girard Waterfall. The Tramjurassienne, a former railway line, also offers unique running sections.
Entre-Deux-Monts offers beautiful running conditions throughout much of the year. Spring and autumn provide pleasant temperatures and vibrant scenery, while summer is ideal for early morning or late afternoon runs. Even winter can be beautiful, with some trails offering serene snowy landscapes, though conditions may require appropriate gear.


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