4.4
(4025)
30,243
hikers
118
hikes
Family friendly hiking trails around Lac D'Ilay are set within the Jura Mountains, a region characterized by its glacial lakes, dramatic cliffs, and dense forests. The landscape features the striking turquoise waters of Lac d'Ilay and other lakes like Grand Maclu and Petit Maclu, offering varied scenery. Delicate peat bogs contribute to the rich biodiversity, making the area ecologically significant. This environment provides a diverse range of terrain suitable for family-friendly outdoor exploration.
Last updated: July 7, 2026
4.5
(27)
432
hikers
Hard hike. Great for any fitness level. Sure-footedness, sturdy shoes and alpine experience required.
4.7
(83)
663
hikers
9.82km
02:36
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Sign up for free
4.9
(7)
103
hikers
7.29km
01:56
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.0
(5)
25
hikers
5.84km
01:31
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
25
hikers
Hard hike. Great for any fitness level. Sure-footedness, sturdy shoes and alpine experience required.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
🌿 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
A superb hike with beautiful views of the seven waterfalls. It's quite crowded, so for a quieter return, you can take the GR 559 forest path back, which doesn't follow the water but is also magnificent in autumn!
0
0
The smaller of the two Maclu Lakes, with an easy hiking trail along its shore.
5
0
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
Beautiful view through a clearing onto Lac Le Grand Maclu.
5
0
The Lac d'Ilay region offers a wide variety of hiking options, with over 120 trails in total. Among these, you'll find numerous routes specifically suited for families, including 33 easy and 44 moderate trails, ensuring there's something for every age and ability.
The area around Lac d'Ilay is renowned for its diverse and captivating landscapes, making it ideal for families. You'll discover picturesque glacial lakes, dense forests, and dramatic cliffs. The region's protected status ensures a pristine natural environment, offering varied scenery from accessible lakeside paths to panoramic viewpoints, perfect for engaging children in nature.
The komoot community highly rates the trails around Lac d'Ilay, with an average score of 4.48 stars from over 4000 ratings. Hikers frequently praise the stunning glacial lake views, the tranquility of the forests, and the well-maintained paths that make exploring with family enjoyable and safe.
Yes, the famous Hérisson Waterfalls are a significant natural attraction near Lac d'Ilay. While some routes like the Fan Waterfall – Le Grand Saut loop from La Chaux-du-Dombief can be challenging, there are also shorter, easier paths that allow families to experience the beauty of the cascades, including the impressive Saut de l'Éventail and Grand Saut.
Absolutely! The region boasts several trails leading to breathtaking viewpoints. The Pic de l'Aigle – Three Lakes Viewpoint loop from La Chaux-du-Dombief is a popular moderate option that offers panoramic views of the Jura Mountains, the surrounding lakes (Ilay, Grand Maclu, Petit Maclu, and Narlay), and even Mont Blanc on a clear day.
Family hikes around Lac d'Ilay will immerse you in a rich natural environment. You'll encounter the stunning glacial lakes, imposing cliffs, and extensive forests. The area also features delicate peat bogs, home to unique flora, including carnivorous plants, contributing to the region's significant biodiversity.
Yes, there are several easy circular routes perfect for families. The Grand Maclu Lake – Little Maclu Lake loop from La Chaux-du-Dombief is an easy 7.2 km path, and The fountain – Lake Ilay loop from Le Frasnois is a gentle 5.7 km trail. Both offer beautiful lakeside scenery with minimal elevation gain.
Yes, dogs are generally welcome on the trails around Lac d'Ilay. However, to protect the delicate ecosystem and local wildlife, it is important to keep dogs on a leash at all times, especially in protected areas like the peat bogs.
Yes, parking is generally available at common starting points for many trails, such as in La Chaux-du-Dombief and Le Frasnois. It's always a good idea to check specific route details for designated parking areas to ensure convenience for your family outing.
The spring, summer, and early autumn months are ideal for family hikes around Lac d'Ilay. Spring brings lush greenery and blooming flora, while summer offers pleasant temperatures for lakeside activities. Autumn transforms the forests with vibrant colors, creating a beautiful backdrop for your adventures. Always check local weather conditions before heading out.
While many trails feature natural terrain, some sections along the lakeshores or designated paths might be suitable for sturdy, all-terrain strollers. For example, parts of the Grand Maclu Lake – Little Maclu Lake loop from Le Frasnois are relatively flat and wide, offering easier access for families with very young children.


Browse the best Hikes in other regions.