4.5
(4173)
30,895
hikers
122
hikes
Family friendly hiking trails around Lac Le Grand Maclu are set within a glacial landscape in the Jura department of France, characterized by interconnected lakes, dense forests, and significant peat bogs. The region features diverse natural environments, including alpine meadows and limestone cliffs, with elevations reaching approximately 900 meters at panoramic viewpoints. This area is a designated Natura 2000 and Ramsar site, preserving its rich biodiversity.
Last updated: July 7, 2026
5.0
(3)
9
hikers
9.06km
02:44
220m
220m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
6
hikers
9.09km
02:25
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.6
(262)
1,350
hikers
13.5km
03:55
290m
290m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.7
(89)
686
hikers
9.80km
02:37
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(53)
252
hikers
14.3km
04:08
300m
300m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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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)
0
0
Nice little town with some beautiful buildings and a small church in the center.
5
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The smaller of the two Maclu Lakes, with an easy hiking trail along its shore.
5
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A gravel, easy-to-walk hiking trail runs along the lakeshore, offering repeated, beautiful views of Lac Le Grand Maclu.
5
0
Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.
5
0
Water access with beautiful views of Lac Le Grand Maclu.
4
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Beautiful view through a clearing onto Lac Le Grand Maclu.
5
0
There are over 130 hiking routes in the Lac Le Grand Maclu area, with 40 of them specifically rated as easy, making them ideal for families. Many of these trails offer gentle terrain and stunning views of the glacial lakes and diverse landscapes.
The region around Lac Le Grand Maclu is renowned for its stunning glacial landscapes. You'll encounter picturesque interconnected lakes like Lac Le Grand Maclu, Petit Maclu, Lac d'Ilay, and Lac de Narlay, as well as diverse ecosystems including alpine meadows, dense forests, and unique peat bogs. Keep an eye out for local wildlife, including numerous dragonfly species and the Eurasian coot on the lakes.
Yes, there are several easy circular routes perfect for families. A great option is the Grand Maclu Lake – Little Maclu Lake loop from Le Frasnois, which is just under 4 km long and offers beautiful lakeside views with minimal elevation change.
Absolutely! The vicinity is famous for its impressive waterfalls, most notably the Cascades du Hérisson. While some routes to the waterfalls can be more challenging, there are often accessible sections or viewpoints that families can enjoy. Look for trails that mention cascades like Le Grand Saut or Fan Waterfall for spectacular natural attractions.
While accessible year-round, spring and autumn are particularly recommended for family visits. During these seasons, the trails are generally quieter, and the natural surroundings offer optimal beauty, whether it's the vibrant spring flora or the rich autumn colors. Summer can also be lovely, but may be busier.
Yes, the region offers breathtaking panoramic views. While some viewpoints require a longer hike, the area around the Four Lakes panoramic viewpoint (Belvédère des 4 Lacs) provides stunning vistas of the Jura Mountains and the entire lake region. For a moderate family adventure, consider the Pic de l'Aigle and Four Lakes Viewpoint Loop, which offers incredible scenery.
Many trails in the Lac Le Grand Maclu area are dog-friendly, but it's always best to check specific route details and local signage. Given the region's status as a Natura 2000 and Ramsar site, it's crucial to keep dogs on a leash to protect the diverse flora and fauna, especially in sensitive wetland areas.
The family-friendly trails around Lac Le Grand Maclu range from easy to moderate. Easy trails, like the Grand Maclu Lake – Lake Ilay loop from Le Frasnois (around 6.8 km), feature minimal elevation and well-maintained paths. Moderate trails, such as the Petit Maclu Lake – Grand Maclu Lake loop from Le Frasnois (around 9.8 km), might have slightly more varied terrain or gentle ascents, but are still suitable for active families.
The komoot community highly rates the hiking experience around Lac Le Grand Maclu, with an average score of approximately 4.5 stars from over 4,100 ratings. Hikers often praise the well-marked paths, the stunning lake views, and the peaceful atmosphere, making it a favorite for family outings.
For families looking for a longer adventure, the Four Lakes Viewpoint – Three Lakes Viewpoint loop from Le Frasnois offers a moderate, nearly 14.3 km hike. This route provides an extended experience of the region's beauty, combining lake views with forest paths, perfect for a full day of exploration with older children.
To preserve the fragile ecosystem, activities such as swimming and most watersports are strictly prohibited in the lakes around Lac Le Grand Maclu. The area is a protected site, and a voluntary quiet zone is observed to protect the wild flora and fauna.


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