Lac d'Ilay, also called Lac de la Motte, is a lake in the Jura department of France, about 14 km south of Champagnole in Franche-Comté. It lies at an altitude of 774 m in the municipalities of Le Frasnois and La Chaux-du-Dombief and covers an area of approximately 0.7 km². The lake is 1.9 km long, has a maximum width of 400 m, and has a small island (Île de la Motte). Its greatest depth is 32 m.

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Bas Linssen

August 13, 2020

Hiking

One of the larger lakes in the Jura. Beautifully situated and you can take a nice walk around it (easy).

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MikE

July 21, 2024

Hiking

The tour of the lakes is not of much interest, mainly being wide paths, without much relief, and with no view worthy of the name, including on the lakes (which we see very little, except on the eastern part, which is a shame). The western part is even difficult (we follow the road for 2km...). In short, a walk to forget, except perhaps for a running outing, or a detour via the Eagle peak.

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Best routes near Lake Ilay

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1. Pic de l'Aigle and Four Lakes Viewpoint Loop

13.5km

03:55

290m

Hike the moderate 8.4-mile Pic de l'Aigle and Belvédère des Quatre Lacs loop in Haut-Jura, offering panoramic views and lake scenery.

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Moderate

4.7

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2. Petit Maclu Lake – Grand Maclu Lake loop from Le Frasnois

9.80km

02:37

110m

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

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4.9

(53)

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3. Four Lakes Viewpoint – Three Lakes Viewpoint loop from Le Frasnois

14.3km

04:08

300m

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

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Moderate

Details

Informations

Elevation 780 m

Weather

Monday 16 March

13°C

-3°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

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Take Me There

Location: La Chaux-Du-Dombief, Saint-Claude, Bourgogne-Franche-Comté, France

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Lake Ilay

1. Pic de l'Aigle and Four Lakes Viewpoint Loop

2. Petit Maclu Lake – Grand Maclu Lake loop from Le Frasnois

3. Four Lakes Viewpoint – Three Lakes Viewpoint loop from Le Frasnois

Other Popular Places to Check Out

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