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France
Auvergne Rhône Alpes
Grenoble

Saint-Julien-De-Raz

The best walks and hikes around Saint-Julien-De-Raz

4.5

(1060)

11,157

hikers

20

hikes

Hiking around Saint-Julien-De-Raz offers diverse landscapes within the Isère department of southeastern France, situated on the foothills of the Chartreuse Massif. The terrain ranges in altitude from 480 meters to 1920 meters, featuring the Ratz anticline and Grand Ratz. Hikers can explore a variety of environments, including dense forests, open meadows, alpine pastures, and dramatic gorges like the Gorges du Bret and de Crossey. Panoramic views of the Moirans plain and surrounding mountains are accessible from various viewpoints.

Best hiking…

Last updated: September 28, 2026

4.4

(21)

140

hikers

#1.

Le Grand Ratz viewpoint – Roche Brune Viewpoint loop from Saint-Julien-de-Raz

8.98km

02:58

390m

390m

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

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Moderate

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

Moderate
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4.3

(6)

19

hikers

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

Moderate

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

Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Popular around Saint-Julien-De-Raz

Road Cycling Routes around Saint-Julien-De-Raz

Cycling around Saint-Julien-De-Raz

MTB Trails around Saint-Julien-De-Raz

Mountain Hikes around Saint-Julien-De-Raz

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Tips from the Community

Ced
September 13, 2026, Roche Brune Viewpoint

Stunning view of the valley.

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I love this hike

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The 2nd half of the North face has been redone recently, a beautiful and very smooth cycling path. Road quite busy (1 of the entrances to Chartreuse from Grenoble)

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Djamel
July 23, 2026, Gorges du Bret

We enter the imagination of Edgar Allan Poe

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Small pass, easy climb from the north, great descent to the south.

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Mathilde
June 12, 2026, Le Trou Noir

Attention, the route to the cave and then the climb back up to the plateau is very exposed! Helmet mandatory, I recommend a harness and via ferrata lanyard, and of course your best headlamp to admire the cave! No need to crawl. To be avoided in wet weather.

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10 minutes from the car park, accessible to all, a refreshing shower in hot summers, and for the more daring, the possibility of extending with a more complex and challenging circuit full of great sensations....

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Etienne
June 19, 2024, Chemin pastoral

Beautiful view of the Infernet cirque after a steep climb

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Frequently Asked Questions

How many hiking trails are available around Saint-Julien-De-Raz?

There are over 20 hiking trails in the Saint-Julien-De-Raz area, offering a range of experiences within the Chartreuse Regional Natural Park. These routes traverse diverse landscapes, from dense forests to alpine pastures.

Are there easy hiking options suitable for families or casual walkers?

Yes, Saint-Julien-De-Raz offers several easy trails. For instance, the Croix des Traverses loop from Saint-Julien-de-Ratz is an easy 4 km route with minimal elevation gain, perfect for a relaxed walk. The region also features low-altitude loops like Les Passières de Charminelle, which is a 10 km loop utilizing an old passage.

What kind of challenging hikes can I find in the area?

For experienced hikers, the region offers challenging routes with significant elevation. The Placette Pass – View of the Infernet Gorge loop from Saint-Julien-de-Raz is a difficult 14.3 km path providing extensive views and passing through the dramatic Infernet Gorge. Another adventurous option is the hike to the Lorzier rocks via the Charminelle ladders, which includes slightly dizzying passages and panoramic views.

Are there any circular walks available?

Yes, many trails in Saint-Julien-De-Raz are circular. Popular options include the Le Grand Ratz viewpoint – Roche Brune Viewpoint loop from Saint-Julien-de-Raz, a moderate 8.9 km trail, and the Gorges du Bret loop from Saint-Julien-de-Raz, a scenic 7.2 km route. The Tour de Rochebrune is also a difficult circular route that circles the highest point of the Grand Ratz.

What natural features or landmarks can I expect to see on the trails?

Hikers can explore diverse natural features such as the dramatic Gorges du Bret and Gorges de Crossey, the scenic Lac de Saint-Julien-de-Raz, and the impressive Grand Ratz anticline. You can also discover various mountain passes like Col de Porte (1326 m) or Charmette Pass, and peaks such as Chamechaude or La Grande Sure.

Are there trails with panoramic viewpoints?

Absolutely. The region is known for its panoramic views. From locations like Rochebrune, you can enjoy expansive vistas of the Moirans plain, the surrounding Chartreuse and Vercors mountains, and the Isère valley. The hike to the Lorzier rocks also offers beautiful panoramic views from the top.

What do other hikers say about the trails in Saint-Julien-De-Raz?

The trails in Saint-Julien-De-Raz are highly rated by the komoot community, with an average score of 4.5 stars from nearly 1,000 reviews. Hikers often praise the varied mountain terrain of the Chartreuse Massif, the dense woodlands, and the dramatic gorges, highlighting the diverse experiences available.

Is Saint-Julien-De-Raz suitable for dog-friendly hiking?

Many trails within the Chartreuse Regional Natural Park, which encompasses Saint-Julien-De-Raz, are generally dog-friendly. However, it's always recommended to check specific trail regulations, especially concerning protected areas or private lands, and to keep dogs on a leash to protect local wildlife and livestock.

What is the best time of year to go hiking in Saint-Julien-De-Raz?

The best time for hiking in Saint-Julien-De-Raz is typically from spring through autumn (May to October) when the weather is mild and trails are clear of snow. During these months, you can fully enjoy the varied vegetation, from meadows to dense forests, and the panoramic views. Winter hiking is possible but requires appropriate gear and awareness of snow conditions, especially at higher altitudes.

Are there any specific gorges to explore in the area?

Yes, the region is home to several notable gorges. The Gorges du Bret loop from Saint-Julien-de-Raz is a popular trail that leads through the scenic Gorges du Bret. The Gorges de Crossey also offer dramatic natural formations for exploration, providing unique hiking experiences.

Where can I find parking for hiking trailheads?

Parking is generally available at or near the starting points of many popular trails. For example, some routes may start from Voreppe or Saint-Julien-de-Raz itself. It's advisable to check the specific route details on komoot for information on designated parking areas at trailheads.

Can I access hiking trails in Saint-Julien-De-Raz using public transport?

While Saint-Julien-De-Raz is accessible, public transport options directly to all trailheads might be limited. It's best to research local bus services connecting to nearby towns like Voreppe or Saint-Julien-de-Raz, and then plan your hike from there, potentially requiring a short walk or taxi to reach the exact starting point.

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