Jean small pass Refuge

This is a beautiful hike in the Belledonne Massif, where you can admire beautiful waterfalls, explore a wild valley and get close to the last glacier in the massif. The view from the refuge overlooks the Grésivaudan valley, from the Chartreuse massif to the Vercors massif.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 12.27 km
  • ◔
    Average duration: 6h 15 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 956 m
  • ↘
    Descent: - 947 m

  • ▲
    Highest point: 1,944 m
  • ▼
    Lowest point: 1,182 m

Photos

Description of the walk

First, drive through the village of Saint Mury Monteymond and take a small road towards Prélong.
The tarmac road ends at a large car park, but you can continue on a track and save 20 minutes. I have chosen to describe the hike from the end of the tarmac road.

(S) The route is well marked (with signs indicating the distance and time remaining) and red and white markings, as we are on a variant ofthe GR®54.

(1) After the car park, take a very good path on the left.
Leave the track. The climb is gentle until you reach the track, which you follow for about 300 metres.

(2) You will arrive at another car park. Leave the path that climbs to Pré Molard on your right and continue straight ahead on a good, almost horizontal path. After about 800 metres, the path becomes a trail and climbs very little, but becomes very stony and steep. Gradually, the direction changes and you head east, still in the forest. You begin to see the waterfalls at the bottom of the valley, and the slope becomes slightly steeper.

(3) At one point, leave a path that descends to the left towards Le Pleynet and continue straight ahead. Be careful when crossing scree slopes so as not to lose the path; follow the yellow or red and white markings carefully. The slope becomes much steeper until you reach the torrent that descends from Lac Blanc and the Freydane Glacier.

(4) Leave the path that leads to Pré Molard, La Pra and Lac du Crozet on your right, cross the stream on the footbridge and continue the ascent, which is gentle at first but then becomes much steeper, climbing to an altitude of 1,930 metres.

(5) Leave the paths that branch off to the right towards Lac Blanc or Col de la Mine de Fer and continue straight ahead for 100 metres to the refuge, which is manned during the summer season (usually until 15 September).

(6) From the refuge, descend via the same route to the car park (E).

Waypoints

  1. S/E : km 0 - alt. 1,182 m - The tarmac road ends at a large car park
  2. 1 : km 0.09 - alt. 1,184 m - After the car park, turn left - Col de Pré Long (1189m)
  3. 2 : km 1.49 - alt. 1,354 m - Second car park, continue straight ahead
  4. 3 : km 4.4 - alt. 1,517 m - Continue straight ahead
  5. 4 : km 4.97 - alt. 1,673 m - Cross the stream.
  6. 5 : km 6.06 - alt. 1,935 m - Continue straight ahead
  7. 6 : km 6.13 - alt. 1,943 m - Refuge Jean Collet
  8. S/E : km 12.27 - alt. 1,182 m - Car park

Notes

Good footwear is essential given the condition of the trail. Refreshments are available at the refuge, run by the STD (Société des Touristes Dauphinois).

Worth a visit

For the more adventurous, it is possible to continue on to Lac Blanc in about an hour, with an additional 200 metres of elevation gain.
The view of the Freydane Glacier and the north face of the Croix de Belledonne is breathtaking.

Always be cautious and plan ahead when you're outdoors. Visorando and the author of this route cannot be held responsible for any accidents occurring on this route.

The GR® and PR® markings are the intellectual property of the Fédération Française de Randonnée Pédestre.

Reviews and comments

4.5 / 5
Based on 14 reviews

Reliability of the description
4.6 / 5
Ease of following the route
4.6 / 5
Route interest
4.4 / 5
User 4020688

Overall rating : 4.7 / 5

Date of your route : Sep 22, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

very nice walk, but the rocks are slippery when wet. The refuge warden is very friendly and enjoys showing visitors around her refuge

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User 1363860

Overall rating : 3.7 / 5

Date of your route : Jul 14, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★☆☆ Average
Very busy route : No

The signs are sometimes a little difficult to find, but the description provided by Visio Rando is good.
There are also a few tricky sections and some fairly steep slopes.
Avoid trainers; hiking boots are preferable.
The view is magnificent, but there is no lake and not much space at the top. There are prettier spots in Belledonne

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MIJALUDANS
MIJALUDANS

Overall rating : 4.7 / 5

Date of your route : Nov 08, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

The Mousset footbridge was dismantled just after we crossed it for winter storage
Plan to ford the river upstream from the footbridge

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Deuxpattes
Deuxpattes

Overall rating : 5 / 5

Date of your route : Sep 12, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

A very beautiful route; not that difficult, even after the recent rains; the elevation gain was fairly evenly distributed, despite the steep climb at the end before the refuge.
We wanted to push on to Lac Blanc, but fog rolled in during our picnic break.
Never mind: that will be the goal for another outing...

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Tlucchino
Tlucchino

There are a few aerial passages secured by a cable.
Not knowing you, I would advise against attempting this adventure. However, these passages are manageable; you just need to be careful and take your time.

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Tlucchino
Tlucchino

Overall rating : 4 / 5

Date of your route : Aug 05, 2020
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

A pleasant route. The uphill gradient is steady.
Towards the end of the route, there are a few aerial passages which are fine but require caution.
A route used by people who are not prepared for hiking. For these people, it is important to be aware of the elevation gain so that the walk remains enjoyable.
A beautiful view of the Grésivaudan valley

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balladonsnous
balladonsnous

Overall rating : 4 / 5

Date of your route : Aug 13, 2018
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

I'm afraid of heights! Will this hike be a problem?
Thank you

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cothy2010
cothy2010

Overall rating : 5 / 5

Date of your route : Jul 30, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

We couldn't finish because of the rain, but the part we did was great. We parked in the upper car park... Much more pleasant afterwards

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Zazaski 38
Zazaski 38

Overall rating : 5 / 5

Date of your route : Jun 22, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Very pretty walk, often in the shade.
Ideal in hot weather

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Dominique Andreux
Dominique Andreux

Overall rating : 5 / 5

Date of your route : Aug 14, 2017
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Location of the Refuge: exceptional
Reception and service at the Refuge: Very good
Meals at the refuge: Very good
Dormitory: average
From the refuge, hike to Lac Blanc: very good

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alaindauverchain
alaindauverchain

Overall rating : 5 / 5

Date of your route : Jun 04, 2017
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

Lovely route and a very warm welcome at the refuge by Pauline...great location and pleasant encounters

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renegade38000
renegade38000

Overall rating : 4 / 5

Date of your route : Aug 13, 2016
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

description of the start of the hike is very approximate (couldn't find the direction to Prelong), but otherwise a great hike with cool forest at the start, then magnificent rocky landscape by the stream. Worth doing.

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Ja.ni.na
Ja.ni.na

Overall rating : 4.3 / 5

Date of your route : Jul 08, 2016
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good

A really beautiful hike with superb views of the waterfalls. The path through the forest at the start is also very pleasant. Although the weather had been fine all day, a cloud had just started to envelop the refuge when we began the climb, so we arrived at the refuge in the clouds. But as there are magnificent views all along the way, it wasn't a problem at all.

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Coudurier
Coudurier

Overall rating : 4.7 / 5

Date of your route : Aug 08, 2015
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good

We set off from Pré Conté. The track is in very good condition, but watch out for the drainage channels
for low-clearance vehicles.
Very pleasant forest trail. Very beautiful waterfalls.
The return route was a little more difficult as it was in the rain.
We received a warm welcome at the refuge despite the day's problems (waiting for a helicopter for an injured person, fog, etc.)
Hike to be repeated in more favourable weather to enjoy the view of the Grésivaudan valley and continue on to Lac Blanc

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sylvie c
sylvie c

Overall rating : 4.3 / 5

Date of your route : Sep 28, 2014
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

We set off from the Pré Marcel car park (Ste Agnès, Col des Mouilles, Pré Marcel). The path that leaves the forest and leads to the Jean small pass refuge is superb... all along the edge of the cliff. In just over an hour, we continue on to Lac Blanc... splendid!
The trail is well marked and signposted throughout (first follow Jean small pass, then Lac Blanc)

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