The ridges of Mont Fromage from Col de Porte

A very pleasant hike, described here snowshoe users, but also good for walks on sunny days.

Details

203565
Creation:
Last update:
Last review:
  • Snowshoeing
    Activity: Snowshoeing
  • ↔
    Distance: 10.28 km
  • ◔
    Duration according to the author: 4 hrs 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 411 m
  • ↘
    Descent: - 410 m

  • ▲
    Highest point: 1,693 m
  • ▼
    Lowest point: 1,310 m

Photos

Description of the walk

Park in the car park of the Col de Porte.

(S/F) Take the road to the Charmant Som cottages (D57E) following north-west then north. In winter the road is closed to traffic.

(1) Shortly before the Orgeval chapel, leave the road and turn left (south-west) onto the Tour de Chartreuse GRP along the ridges (Yellow and Red markings).

(2) Pass above the (closed) Charmant Som chairlift and continue over the ridges.

(3) Pass Mont Fromage and continue on the ridges.

(4) At the crossroads, leave the ridge (that would take us to the Pinéa) and turn left towards the Col de Porte. Shortly after, the road makes a hairpin left turn. Continue, passing a path on the right and follow the path that goes down gently through the woods to the Col de Porte (S/F).

Waypoints

  1. S/E : km 0 - alt. 1,328 m - Col de Porte
  2. 1 : km 4.19 - alt. 1,641 m - Oratory of Orgeval
  3. 2 : km 5.14 - alt. 1,664 m - Top of the Charmant Som chairlift
  4. 3 : km 6.17 - alt. 1,654 m - Mount Fromage
  5. 4 : km 7.07 - alt. 1,614 m - At the crossroads, turn left
  6. S/E : km 10.28 - alt. 1,329 m - Col de Porte

Reviews and comments

4.6 / 5
Based on 19 reviews

Reliability of the description
4.8 / 5
Ease of following the route
4.6 / 5
Route interest
4.4 / 5
annette38
annette38

Overall rating : 4.3 / 5

Date of your route : Sep 08, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

pleasant, easy hike, but very busy

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sylvie couriol
sylvie couriol

Overall rating : 4.7 / 5

Date of your route : May 08, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

We did the circuit in the opposite direction, and we were right to do so as the terrain was very muddy and slippery and it would have been more complicated on the descent.
We weren't able to enjoy the view as the sky was too overcast... so we'll have to do it again, as the whole ridge is very pleasant.

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Hélène T
Hélène T

Overall rating : 4.3 / 5

Date of your route : Jan 05, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : Yes

A beautiful walk, easily accessible by bus and for walkers of average ability. The path climbs a moderate slope before reaching a ridge and then descending a steeper slope. There are magnificent views of the Chartreuse and Belledonne peaks. Accessible with crampons. I wanted to go as far as La Pinea but the path was not visible and very snowy. Several people tried, but all turned back. I didn't see anyone try snowshoeing from below the Pinea to the summit. The path is well trodden but the walkers are fairly far apart.

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AudelineB
AudelineB

Overall rating : 4.3 / 5

Date of your route : Jan 30, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Nice little winter hike, with lots of snow (it was 3 Jan 24) but quite practicable without snowshoes.

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sempervivum
sempervivum

Overall rating : 5 / 5

Date of your route : Feb 18, 2023
Reliability of the description : Not used / Not applicable
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Hike with a detour via La Pinéa (you need to take off your snowshoes)
Route taken in the opposite direction, the road seems shorter
Very/very busy on weekends

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Leonarius Nomada
Leonarius Nomada

Overall rating : 4 / 5

Date of your route : Jan 29, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

We start out on the ski touring slopes, in the shade and on a steep incline. Not the most pleasant.
But the second part is really nice, in the woods and on the ridges with magnificent views.
We cut off at the end on the advice of a hiker.

To make it easier, do the circuit in the opposite direction.

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odettounette
odettounette

Hello,

Beautiful sunny day and lots of cars in the car parks!

So we couldn't find anywhere to park, so we went back down to Le Sappey for another snowshoe trail!

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AH65
AH65

Overall rating : 5 / 5

Date of your route : Jan 12, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Fog at the Col de Porte, but superb views after 1 hour's walk, once the sea of cloud had passed. At the end of the morning, we climbed up by road, with few people, a few more at the Oratoire de St Hugues, and almost no one on the ridge towards La Pinéa. For those who want to shorten the trip, it seems possible to return to the road via a track before the small pass at La Pinéa.

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Dominol
Dominol

Overall rating : 5 / 5

Date of your route : Jan 07, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

I've done this walk every year, but always in the opposite direction (a direction I recommend, as do others).
Despite the bright sunshine, very few people on the way up (during the week but early in the morning) but many, many on the road on the way down.
Beautiful views, especially from Montfromage.
As the road is the least interesting part, taking it on the way down shortens the trip; otherwise a path joins the Col de Porte from Montfromage, but it's not the same route.

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migar
migar

Overall rating : 5 / 5

Date of your route : Jan 08, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

Superb hike that we did in the opposite direction.
Cold, no wind, no rain, the trees were white with snow, a real feast for the eyes. Lots of people (even on a Friday). The descent by road is a bit long, so we took off our snowshoes.
Not too much sun, but still a great view from the ridge.

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patzaz
patzaz
• Edited:

Overall rating : 4.3 / 5

Date of your route : Mar 12, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

A superb hike for the second time in 4 months
good signposting with an ascent to the pas de sierra then on to the pas de laveuse and the three roche courbe summits, the signal, the vesou then back down to the pas de sierra and back to the car park.
A big well done to the teams on the path for the quality of the work to restore the path.

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syldub69
syldub69

Overall rating : 4.3 / 5

Date of your route : Feb 24, 2019
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★☆☆ Average

The uphill section on the road is a bit long. If I'd studied the guidebook better, I would have done the hike in the opposite direction, finishing on the downhill road (so as to spend less time on it).
We climbed up to La Pinéa, and it would have been a shame not to go up there! (nice view)
However, at La Pinéa, the path is invisible and the slope is quite steep. You can tumble down the slope if you're not careful.

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vignieu alain
vignieu alain

Overall rating : 4.3 / 5

Date of your route : Sep 26, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good

It's a nice, easy walk, but we did it in the opposite direction, so the return journey by road is a bit dull. It's worth adding that the route is signposted in yellow and red.

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cray38
cray38

Overall rating : 4 / 5

Date of your route : Sep 09, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average

The route is pleasant, but the long walk along the road to point 1 l'Oratoire is a long one... Allow 1 hour on tarmac. No doubt essential, but it spoils the fun a bit. The walk along the ridge afterwards is pleasant but without any viewpoints. In my opinion, if you're on foot, you should make the return trip to La Pinéa at point 4 (allow 50 mins for the return journey), otherwise it would be a shame... Just so you know, it took us 4 hours with the "bonus" of La Pinéa without the lunch break.

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Patrick B18.
Patrick B18.

Overall rating : 5 / 5

Date of your route : Feb 25, 2018
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

One of the must-do walks around Grenoble!

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