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Bourgogne-Franche-Comté
Saint-Claude

Lac du Grand Maclu

The best family-friendly hikes and walks around Lac du Grand Maclu

4.5

(4153)

31,289

hikers

123

hikes

Family friendly hiking trails around Lac du Grand Maclu are characterized by an "ice-age legacy" of four glacial lakes, including Grand Maclu, Petit Maclu, Lac d'Ilay, and Lac de Narlay, which feature distinct blue and green lagoon colors. The region's landscape includes wooded areas, gravel paths along the lakesides, and the more elevated Jura massif with forested mountains and alpine meadows within the Haut Jura Regional Nature Park. This area offers a range of trails suitable for various fitness levels,…

Last updated: May 17, 2026

5.0

(3)

9

hikers

#1.

Grand Maclu Lake – Pic de l'Aigle loop from Le Frasnois

9.06km

02:44

220m

220m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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4.6

(240)

1,266

hikers

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

Moderate
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Tips from the Community

Thierry Martin-Braud
March 8, 2026, Lac de Narlay

🌿 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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Kristian
September 1, 2025, L'église

Church of Saint-Claude et Saint-Roch in the center of La Frasnois.

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5

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Kristian
September 1, 2025, Le Frasnois

Nice little town with some beautiful buildings and a small church in the center.

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5

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Kristian
September 1, 2025, Petit Lac Maclu

The smaller of the two Maclu Lakes, with an easy hiking trail along its shore.

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5

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Kristian
September 1, 2025, Lac du Grand Maclu

A gravel, easy-to-walk hiking trail runs along the lakeshore, offering repeated, beautiful views of Lac Le Grand Maclu.

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5

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Kristian
September 1, 2025, Lac du Grand Maclu

Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.

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5

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Kristian
September 1, 2025, Coin du grand Maclu

Water access with beautiful views of Lac Le Grand Maclu.

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4

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Beautiful view through a clearing onto Lac Le Grand Maclu.

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5

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Frequently Asked Questions

How many family-friendly hiking trails are available around Lac du Grand Maclu?

The Lac du Grand Maclu area offers a wide variety of hiking options, with over 130 routes in total. Many of these, including 40 easy trails, are suitable for families looking to explore the beautiful Jura landscape.

Are there any easy circular walks suitable for families with young children?

Absolutely! For a gentle, family-friendly loop, consider the Grand Maclu Lake – Little Maclu Lake loop from Le Frasnois. This easy 3.8 km trail takes just over an hour and is perfect for a leisurely stroll around the picturesque lakes.

What are the best trails for scenic views of the lakes?

For breathtaking panoramic views of the four glacial lakes and the surrounding Jura plateau, the Pic de l'Aigle and Four Lakes Viewpoint Loop is highly recommended. On clear days, you might even spot Mont Blanc in the distance. While this is a moderate 13.5 km route, shorter sections to the viewpoints are also accessible.

Can I bring my dog on the family-friendly trails?

Many trails around Lac du Grand Maclu are dog-friendly, but it's always best to keep your dog on a leash, especially in nature reserves or areas with livestock. Be mindful of local regulations and ensure your dog is comfortable with the terrain and distance.

Are there any waterfalls to visit on family hikes?

Yes, the region is famous for its waterfalls! While not directly on the routes listed in this guide, the spectacular Cascades du Hérisson are a short drive away and offer various trails suitable for families. Other notable cascades like Saut de la Forge and Fan Waterfall also provide refreshing hiking experiences.

What is the best time of year to hike with family around Lac du Grand Maclu?

Autumn is particularly recommended for its vibrant 'Indian summer' colors reflecting off the lakes, creating a stunning backdrop for family hikes. Spring also offers lush greenery and full waterfalls. Summer is popular for enjoying the lakes, but trails can be busier.

Are there any longer, moderate family hikes that explore more of the lakes?

If your family is up for a longer adventure, the Petit Maclu Lake – Grand Maclu Lake loop from Le Frasnois is a moderate 9.8 km trail that allows you to explore both lakes more extensively. It offers a great balance of distance and scenic beauty.

What kind of wildlife might we see on the trails?

The Haut Jura Regional Nature Park, which encompasses this area, is home to diverse wildlife. Keep an eye out for deer, chamois, and wild boar. If you're very lucky and quiet, you might even spot a lynx, though they are rare and elusive.

Are there options for public transport to reach the hiking areas?

While the Jura region is best explored by car for maximum flexibility, some local bus services connect the villages. It's advisable to check local transport schedules in advance, especially when planning to reach specific trailheads like Le Frasnois or La Chaux-du-Dombief, as services can be infrequent.

What do other hikers enjoy most about the trails around Lac du Grand Maclu?

The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the stunning 'lagoon colors' of the lakes, the well-maintained paths, and the peaceful atmosphere, making it a perfect destination for family outings.

Are there any trails that offer a good overview of multiple lakes?

Yes, the Four Lakes Viewpoint – Three Lakes Viewpoint loop from Le Frasnois is a moderate 14.2 km route that provides excellent perspectives of several glacial lakes. It's a fantastic way to experience the region's unique 'ice-age legacy' and its mesmerizing blue and green waters.

Are there any shorter, easy routes that still offer lake views?

Certainly! The Grand Maclu Lake – Lake Ilay loop from Le Frasnois is an easy 6.8 km trail. It's a great option for families looking for a manageable distance while still enjoying beautiful views of two of the region's charming lakes.

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