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Crolles walks
Le Pal de Fer
Visorando Member
1.43 mi
+2,001 ft
-0 ft
2h 25
Moderate
Departure from Crolles (Isère)
An original outing that allows you to discover the superb work carried out here for the construction of the Touvet funicular railway. The ascent is on foot and the descent, to relieve the knees, is by funicular.
(Please note): This route is currently closed. See explanations here
(Comment from a hiker) dated 18 June 2023: small difficult section: crossing the scree slope where you need to use two ropes to reach the path in the forest.
From Montfort Castle to the Crolles Waterfall
3.88 mi
+974 ft
-965 ft
2h 40
Moderate
Departure from Crolles (Isère)
A 25-minute drive from Grenoble, this is a family-friendly walk starting from the Saint-Hilaire-du-Touvet funicular station, beneath the paragliders, to the path leading to the Crolles waterfall. There is little elevation gain and it can be done in all weathers.
Climb up to Les Petites Roches and take flight
3.58 mi
+617 ft
-587 ft
2h 10
Easy
Departure from Saint-Hilaire (Isère) (Isère)
Whether you're a paraglider or hang glider, Saint-Hilaire-du-Touvet is paradise. From the valley, the funicular takes paragliders and walkers alike to the Petites Roches plateau, where everyone can take off into the air or walk on the edge of the void.
For hikers, this route at the foot of the Dent de Crolles offers a viewpoint over the valley before entering the forest in search of the remains of the Moulin de Porte-Traîne mill.
Dent de Crolles via the Terreaux and Rocheplane steps
8.23 mi
+3,937 ft
-3,940 ft
6 hrs
Very difficult
Departure from Saint-Hilaire (Isère) (Isère)
A splendid but little-used circular, starting from Saint-Hilaire du Touvet and passing through the Pas des Terreaux, the Dent de Crolles, the Cheminée du Paradis and the Pas de Rocheplane.
Much of the hike is on poorly marked paths on steep slopes. The Cheminée du Paradis is a small climbing step, which explains the level of difficulty.
It is possible to extend this hike in a pleasant way, either during the hike itself or nearby.
Les Dioux Waterfall and the Porte Traine Mill
3.17 mi
+528 ft
-528 ft
1h 55
Easy
Departure from Saint-Hilaire (Isère) (Isère)
On the Saint-Hilaire du Touvet plateau, this is a circular loop of 2 to 3 hours that is suitable for young children.
Very shady and close to the Saint-Hilaire paragliding training slopes (FFVL South take-off point), it also gives children a fun opportunity to watch the sails inflate.
Les Grandes Eymes
1.58 mi
+377 ft
-377 ft
1h 00
Easy
Departure from Bernin (Isère)
Visit the Haut-Bernin on a gentle walk at the foot of the Chartreuse cliff. You can contemplate a cumulative altitude of 9845m which is more than the Everest, with le Mont-Blanc (4806m), le Grand Pic de Belledonne (2977m) and la Dent de Crolles (2062m). You will meet lots of dog walkers and you will walk through forests, vineyards, and pass beehives.
A circular route via the Pas de Montbrun and Pas de Rocheplane, starting from Les Massards
5.57 mi
+3,383 ft
-3,383 ft
5h 30
Difficult
Departure from Saint-Hilaire (Isère) (Isère)
A hike to explore the secluded Pas de Montbrun, which leads to the ridge of the Rochers de Bellefont via a route of moderate exposure and without any major difficulty, apart from finding your way in the upper section. From Les Massards, the path heads towards the Source du Sanglier and then the Col de Marcieu, leaving it opposite the Pas de Montbrun. A narrow track climbs up a scree slope and, via a few short scrambling sections, reaches the ridge leading to the Pas de Rocheplane. A well-marked path crosses a few rocky outcrops and, after a section through the forest, returns to the car park.
Mont Pravouta and Col des Ayes
2.91 mi
+1,109 ft
-1,109 ft
2h 20
Moderate
Departure from Saint-Pancrasse (Isère)
Short family-friendly walk with a magnificent view, manageable on foot or on snowshoes.
From Col du Coq to Sainte-Marie-du-Mont
14.29 mi
+4,423 ft
-5,938 ft
10h 25
Very difficult
Departure from Saint-Pancrasse (Isère)
The route runs mainly through the Chartreuse Natural Park, passing through the massif's iconic passes and mountains. The route combines fairly steep climbs, passages through plateaus, mountain pastures and a village.
Bec Charvet Circular Loop
3.41 mi
+1,470 ft
-1,476 ft
2h 50
Difficult
Departure from Saint-Pancrasse (Isère)
A lovely circular route in the Chartreuse with the Bec Charvet as the highest point, a descent towards the Col de la Faïta via the ridges and the return via a section ofthe GR®9.
Bec Charvet via the north-east face
3.03 mi
+1,476 ft
-1,483 ft
2h 40
Moderate
Departure from Saint-Pierre-de-Chartreuse (Isère)
A short, quiet hike offering interesting views of the Dent de Crolles and Chamechaude, far from the crowds. Significant elevation gain to the summit of Bec Charvet.
The route is partly unmarked: follow the route on the map and the instructions carefully.
Montfallet Tower and Col du Lautaret
6.11 mi
+1,319 ft
-1,342 ft
4h 00
Moderate
Departure from Laval (Isère)
An ideal walk for mid-season and for exploring Belledonne from a moderate altitude.
Manival - Côte Bonne
4.52 mi
+1,434 ft
-1,421 ft
3h 20
Easy
Departure from Saint-Ismier (Isère)
Footprints in the snow for this walk, which can be enjoyed in the summer sun or in the shade of oak and fir trees...
Cabane de Pravouta - La Plagne
15.41 mi
+4,469 ft
-6,211 ft
12 hrs
Very difficult
Departure from Saint-Pierre-de-Chartreuse (Isère)
Third and final day of this trip to the Chartreuse to collect the car.
Dent de Crolles and Lance Sud de Malissard loop via Perquelin
11.77 mi
+5,079 ft
-5,052 ft
8 hrs
Very difficult
Departure from Saint-Pierre-de-Chartreuse (Isère)
Here is an unusual and challenging hike. It takes in all the must-see sights of the Dent de Crolles and its surroundings: Source du Guiers Mort, Arche à l’Aiguille, Sangle Barrère, Chemin des Crêtes, Arche de Rocheplane and Lance Sud de Malissard.
⚠️ 05/06/2026: route modified to avoid the Trou du Glaz path, which has been closed since November 2025 following a rockslide.
The Lance Sud de Malissard circular
7.84 mi
+3,658 ft
-3,638 ft
6h 50
Difficult
Departure from Saint-Pierre-de-Chartreuse (Isère)
This is a beautiful hike that offers a 360-degree panoramic view of the Chartreuse and Belledonne mountains in the distance from the summit.
This hike also allows you to enjoy the magnificent limestone landscapes of the surrounding area!
Please note: the final stretch through the rocks between the Col de Bellefond and the summit of the Lance Sud is quite steep and requires you to use your hands. In addition, the west face of the summit ridge is steep and therefore not necessarily suitable for people who are afraid of heights.
The Bellefont Hut from the hamlet of Perquelin
5.73 mi
+2,178 ft
-2,156 ft
4h 30
Moderate
Departure from Saint-Pierre-de-Chartreuse (Isère)
A walk well sheltered from the sun in the heart of the Cartusian forest. Best done on hot days.
Once you reach the hut, you will be rewarded with a splendid 359° panorama.
Please note! Several hikers have reported a landslide between points (3) and (4). This landslide could be a problem for people prone to vertigo and could prove dangerous.
Around Guiers Mort (1): the spring
2.64 mi
+1,191 ft
-1,188 ft
2h 15
Moderate
Departure from Saint-Pierre-de-Chartreuse (Isère)
A short hike around the Guiers Mort, a pretty little stream. The walk is mainly through the woods and along the valley floor to discover its source. This walk can be followed by a second one, still around the same stream: the Gorges du Guiers Mort, where you can even take a dip.
These two short hikes can be done one after the other (3½ hours + 30 minutes by car) or separately.
Col de Bellefont via Le Chaos and back via the Col de Saulce
6.85 mi
+3,720 ft
-3,678 ft
6h 25
Difficult
Departure from Saint-Pierre-de-Chartreuse (Isère)
A beautiful, wild hike in the heart of the Chartreuse and on the edge of its nature reserve. The route starts in the woodland, to the sound of the waterfall and the source of the Guiers, climbs up the cliff face, crosses the wild and rugged Chaos de Bellefont, passes through mountain pastures, and reaches the ridge with its stunning views.
Bellefont rock field from Perquelin
5.88 mi
+2,858 ft
-2,828 ft
5h 10
Difficult
Departure from Saint-Pierre-de-Chartreuse (Isère)
An unusual hike through the rocky outcrops of the Chaos de Bellefont. Expect a few short sections of easy climbing. You must follow the markings in the Chaos de Bellefont very carefully to avoid getting lost.
The Bellefont Pass via the Colonel's Trail
6.98 mi
+3,402 ft
-3,399 ft
6h 10
Difficult
Departure from Saint-Pierre-de-Chartreuse (Isère)
A beautiful, fairly challenging walk offering splendid views of all the peaks of the Chartreuse.
Caution! Read the comments carefully. A tricky scree slope has been reported.
Dent de Crolles via Le Prayet
7.47 mi
+5,604 ft
-5,620 ft
8h 20
Very difficult
Departure from Saint-Pierre-de-Chartreuse (Isère)
A very nice alternative for climbing to the Dent de Crolles from Perquelin, as a substitute for the Trou du Glaz, which is closed: rockfall in winter 2026. No technical difficulty apart from the descent of the Pas de l’Œille, where it is sometimes necessary to use your hands, and no vertiginous sections. The circular route can be done in either direction.