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Mount Gerbier de Jonc – Col du Gerbier de Jonc loop from Mont Gerbier de Jonc

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Hiking trails & Routes

Mount Gerbier de Jonc – Col du Gerbier de Jonc loop from Mont Gerbier de Jonc

Hard

4.7

(22)

196

hikers

Mount Gerbier de Jonc – Col du Gerbier de Jonc loop from Mont Gerbier de Jonc

01:34

4.76km

130m

Hiking

Hard hike. Great for any fitness level. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: April 15, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 298 m for 916 m

Waypoints

Start point

Parking

Get Directions

564 m

Mount Gerbier de Jonc

Highlight • Summit

Like many peaks in this region, Mont Gerbier-de-Jonc is of volcanic origin. There is a one-way climbing ascent and a descent. This is also necessary because, when the weather is good, there is a lot going on here on weekends or during the holidays and "climbers" of all ages make their way to the summit.
At the height of the mountain lies an important watershed: the official source of the Loire is located here, and not far away rises the Ardèche, which winds its way through the department of the same name towards the Rhône.

Even if there is a lot going on here, the climb is worth it and is also recommended with children.

Translated by Google •

Tip by

1.21 km

Mount Gerbier de Jonc

Highlight • Summit

Mont Gerber de Jonc is another volcanic sugar loaf dome. A little busy and touristy, but you can fill your water bottle from the source of the Loire river, the longest river in France, which is pretty darn cool! If you want to lock up your bike, you can take a short 20-minute hike to the summit for amazing views.

Tip by

1.64 km

Col du Gerbier de Jonc

Highlight • Mountain Pass

The Col du Gerbier de Jonc from Saint-Martin-de-Valamas is 22.9 km long with a total drop of 885 m. The average gradient is 3.8% with maximum gradients of 8.3%.

Translated by Google •

Tip by

2.26 km

Source de Loire

Highlight • River

The official source of the Loire is Mont Gerbier-de-Jonc. This is the "true" source ...
Incidentally, each of the two sources also has its own restaurant 😃

Translated by Google •

Tip by

4.28 km

View of Mont Gerbier de Jonc

Highlight • Other

A volcano in the shape of a needle of cooled lava, Le Gerbier de Jonc, placed like a cone on the Ardèche plateau, is with the Gouléïou, located in the Cirque des Boutières, the archetype of the phonolitic juices of this territory. From the Gerbier de Jonc and the surrounding phonolite reliefs, rises the longest river in France: the Loire. Trails of varying difficulty and length lead to the summit.

Translated by Google •

Tip by

4.47 km

La Source géographique de la Loire

Highlight • River

One of the sources of the Loire - you can get your feet wet here, but be careful, it's freezing cold :-)

Translated by Google •

Tip by

4.76 km

End point

Parking

Way Types & Surfaces

Way Types

1.59 km

1.40 km

1.24 km

520 m

Surfaces

1.99 km

1.07 km

989 m

691 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,470 m)

Lowest point (1,350 m)

Weather

Thursday 9 July

30°C

13°C

45 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

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Mount Gerbier de Jonc – Col du Gerbier de Jonc loop from Mont Gerbier de Jonc

Mount Gerbier de Jonc

Mount Gerbier de Jonc

Col du Gerbier de Jonc

Source de Loire

View of Mont Gerbier de Jonc

La Source géographique de la Loire

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