4.2
(32)
367
riders
50
rides
Touring cycling routes around Lac d'Issarlès are set within a unique volcanic landscape in the Ardèche mountains, at an altitude of approximately 1,000 meters. The region is characterized by its origin as a deep maar crater lake, surrounded by distinct basalt flows and volcanic cones. Lush forests of conifers and deciduous trees line the shores, contributing to a tranquil mid-mountain environment. This topography provides varied terrain for touring cyclists, from lake circuits to challenging climbs through volcanic areas.
Last updated: June 29, 2026
5.0
(5)
22
riders
51.7km
03:36
1,000m
1,000m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
12
riders
37.2km
02:34
680m
680m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
13
riders
51.3km
04:42
1,100m
1,100m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
24.5km
02:00
570m
580m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
8
riders
59.5km
04:05
1,050m
1,050m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The source of the Loire, magnificent
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The Col de Gage is a mountain pass located in Ardèche. It is situated at an altitude of 1,091 meters.
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Afterwards the road goes up for 30 minutes
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Very nicely located grotto, you can also go swimming below.
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Alpine, huge stones in high percentage. Take the road.
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Stroll around the lake on Sunday July 23, 2023. Very pleasant because it is largely shaded. Provide credit card (no possibility to pay in cash) for paid parking from 01/06 to 30/09, package 3€. Lots of people on the beaches and around.
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Crater lake, 1,000 meters above sea level with a very pleasant beach for swimming. Very calm. Good food options around and public restrooms.
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The touring cycling routes around Lac d'Issarlès primarily cater to experienced cyclists, with 41 out of 53 routes rated as difficult. There are also 10 moderate routes and 2 easier options available, offering varied terrain through volcanic landscapes and mid-mountain paths.
While most routes are challenging, there are a few easier circuits available. The region offers a pleasant 3.6 km footpath around the lake that is suitable for walking and cycling, and electric bike routes are also promoted, connecting various significant sites in the Montagne d'Ardèche.
Yes, the area is well-suited for experienced touring cyclists, with 41 difficult routes. A notable challenging option is the Lac d’Issarlès – Bridge over the Loire loop from Le Lac-d'Issarlès, a 49.9 km path leading through the Ardèche Mountains with significant elevation changes.
You'll experience unique volcanic landscapes, as Lac d'Issarlès is a maar crater lake. Routes traverse distinct basalt flows and volcanic 'sucs' (cones), offering dramatic topography. Lush forests of conifers and deciduous trees line the paths, contributing to a tranquil mid-mountain environment with pristine lake views.
Yes, many of the touring cycling routes are designed as loops, allowing you to start and end in the same location. Examples include the challenging Mont Gerbier de Jonc – Gerbier de Jonc Pass loop from Le Lac-d'Issarlès and the Lac d’Issarlès – Lake Issarlès loop from Le Lac-d'Issarlès.
The region's altitude provides cooler temperatures, making it particularly refreshing for cycling, especially in summer. Spring and autumn also offer pleasant conditions with vibrant foliage or blooming landscapes, though it's always wise to check local weather forecasts.
Beyond the stunning lake itself, you can explore the volcanic landscapes, including the ascent to Col de Gage. The Mont Gerbier de Jonc – Gerbier de Jonc Pass loop takes you near Mont Gerbier de Jonc, famous as the source of the Loire River. The Col du Gage belvedere offers panoramic views of the entire lake.
Many routes offer panoramic vistas due to the region's volcanic topography. The ascent to Col de Gage provides magnificent views, and the Col du Gage belvedere, located 1.5 kilometers southeast of the village, offers a lovely panoramic view of the entire lake. The 'Sentier des Sucs' also provides expansive views.
The area is highly rated by the komoot community, with an average score of 4.2 stars from over 30 reviews. Reviewers often praise the unique volcanic landscapes, the tranquil mid-mountain environment, and the challenging yet rewarding climbs that offer stunning views of the deep, turquoise lake.
Yes, the Mont Gerbier de Jonc – Gerbier de Jonc Pass loop from Le Lac-d'Issarlès is a difficult 51.4 km route that specifically explores the area around the source of the Loire River, offering panoramic views including the Mont Gerbier de Jonc itself.
Absolutely! Besides cycling, the clear, fresh waters of Lac d'Issarlès are ideal for swimming, with supervised beaches in summer. A nautical base offers rentals for pedal boats, canoes, stand-up paddles, and windsurfing. The lake is also a 'first category' fishing area, abundant with trout and other species. Numerous hiking trails, like the loop around Suc de Cherchemuse, are also available.
Route durations vary significantly based on distance and difficulty. For example, the challenging Mont Gerbier de Jonc – Gerbier de Jonc Pass loop (51.4 km) typically takes around 3 hours 34 minutes, while the Lac d’Issarlès – Col de Gage - 1,091 m loop (24.7 km) can be completed in about 2 hours.


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