Diomaz Waterfall

A very pretty walk for everyone in an enchanting setting. The waterfall, made up of several cascades, flows into a multitude of naturally carved rock pools at a place called La Diomaz. At the foot of the waterfall is the Croix des Chartreux, engraved in the rock.

Technical sheet

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  • Walking
    Activity: Walking
  • ↔
    Distance: 4.86 km
  • ◔
    Average duration: 2h 00 
  • ▲
    Difficulty: Moderate

  • ⚐
    Return to departure point: Yes
  • ↗
    Vertical gain: + 202 m
  • ↘
    Vertical drop: - 208 m

  • ▲
    Highest point: 1,266 m
  • ▼
    Lowest point: 1,078 m

Photos

Description of the walk

Access: from Annemasse (Geneva), take the A40 motorway, exit 15 on the left, then the second on the right towards Vallée Verte (Boëge). Pass the Pont de Fillinges bridge, St-André-de-Boëge and continue to Boëge; in this village, turn right towards Villard.
Continue and cross Habère-Lullin and once in Habère-Poche, turn right towards Bellevaux. Cross Hirmentaz and descend to the Col de Jambaz (intersection). Turn left towards Bellevaux; shortly afterwards, turn right towards Lac de Vallon. You will pass through L'Èpuyer and La Clusaz just before the lake, where you will find a car park on the right.

(S) From the car park, enter the woods (yellow arrow on a spruce tree), pass the hut and turn right, crossing the footbridge.

(1). Shortly afterwards, turn left (signposted "La Chèvrerie"). Follow the track that runs alongside the lake until you reach a large meadow, which you cross, keeping slightly to the right until you reach a wooden bridge, which you cross.
You will reach the Saint Bruno Chapel.

(2) Then turn right, following the sign for "Cascade de la Diomaz". Pass two buildings, including a charming stone cottage with wooden shingles, then follow the right bank of the Diomaz stream.
Cross from one bank to the other, following the signs: the Croix des Chartreux (2 wooden signs) and Cascade de Diomaz, until you reach the foot of the waterfalls.

(3) The normal route (currently a little congested!) continues on the left (yellow markings) and climbs up the rocks on the right (handrail).

Pass the Croix des Chartreux, engraved in the stone (a piece of wood and a yellow arrow indicate the exact location), and continue along the path that climbs up to the left of the waterfalls. Once back on level ground, cross the stream to reach a new signpost; turn right to descend towards Lac de Vallon (Saint-Bruno chapel, goat farm).

(4) The path becomes quite steep; the terrain levels out and you cross the stream again.

(5) Return to the path you took on the way up, which will take you back to the car park (E).

Waypoints

  1. S/E : km 0 - alt. 1,085 m - Car park before the - Lac de Vallon
  2. 1 : km 0.1 - alt. 1,079 m - Footbridge over the - Brevon (rivière)
  3. 2 : km 1.28 - alt. 1,093 m - Saint Bruno Chapel
  4. 3 : km 2.37 - alt. 1,239 m - Diomaz waterfall
  5. 4 : km 2.59 - alt. 1,266 m - Direction Lac du Vallon
  6. 5 : km 3.03 - alt. 1,140 m - Crossing the Diomaz stream
  7. S/E : km 4.85 - alt. 1,085 m - Car park before Lac de Vallon

Practical information

P.S. When we did this route, the ground was waterlogged due to recent bad weather that caused enormous damage, with many uprooted trees, some of which had fallen across the path, making the going quite challenging.

Reviews and comments

4.4 / 5
Based on 39 reviews

Reliability of the description
4.4 / 5
Clarity of route map
4.2 / 5
Route interest
4.4 / 5
User 12177852

Overall rating : 5 / 5

Date of walk : Sep 18, 2025
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : Yes

Thank you very much, your guidance is brilliant. Visorando, a trustworthy website.
As for how busy it is, I would say it varies depending on the time of year.
A magnificent place!

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ROUX37
ROUX37

Overall rating : 4 / 5

Date of walk : Aug 16, 2025
Reliability of the description : ★★★★☆ Good
Clarity of route map : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Busy trail : Yes

Very beautiful landscape
The path along the waterfall becomes more rugged but is fine if you take your time
Worth the effort

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noelle martin
noelle martin

Overall rating : 5 / 5

Date of walk : Jun 16, 2025
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

A very pretty walk, but be careful when climbing up the waterfall on the left, as the path is difficult and there are chains to hold on to. You need to be a bit of an acrobat, otherwise it's better to go back the way you came on the right, which is less well marked and doesn't take you to the Chartreux cross. We didn't dare climb above, stopping at the Chartreux cross and returning by the same route, so we didn't get much of a view of the potholes. A shame. However, we really enjoyed it. Thank you for this discovery.

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User 7741576

Overall rating : 4 / 5

Date of walk : Jun 15, 2025
Reliability of the description : ★★★★☆ Good
Clarity of route map : ★★★★☆ Good
Route interest : ★★★★☆ Good
Busy trail : No

A wonderful discovery of this magnificent waterfall.
A holiday atmosphere in the heart of Haute-Savoie.

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Segi
Segi

Overall rating : 5 / 5

Date of walk : Jul 21, 2024
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

Nice description and useful, well-designed app

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Npeud
Npeud

We found this hike fairly average up to the waterfall, but after that it becomes quite difficult, with muddy and slippery paths along the edge of the drop, some steep climbs and a clear lack of signposting. I wouldn't describe the trail as average, and I wouldn't recommend it with children.

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Philippe 74
Philippe 74

Overall rating : 4 / 5

Date of walk : Jul 02, 2023
Reliability of the description : ★★★★☆ Good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★☆☆ Average
Busy trail : No

I should have thought about it before, there isn't much water, it must be more spectacular in autumn.
The climb is steep in places.
Over a few metres, the path is collapsing and will soon be impassable. To be on the safe side, I decided to climb up to the cross upstream and come back down the other side.

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Stecaille
Stecaille

Overall rating : 4 / 5

Date of walk : Oct 16, 2022
Reliability of the description : ★★★★☆ Good
Clarity of route map : ★★★★☆ Good
Route interest : ★★★★☆ Good
Busy trail : No

The walk around the lake is very pleasant. There is a lovely chapel to see. I didn't climb up to the waterfall. It was too difficult for me, but I'm no expert...
Too steep. Slippery ground and lots of mud.

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Alanax
Alanax

Overall rating : 5 / 5

Date of walk : Aug 26, 2022
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★★ Very good
Busy trail : No

Very nice hike. Thank you for the previous comments that directed me to the upper loop and the "panorama" with a magnificent view and a small bench to enjoy it. I also followed the advice to take the cross-country trails and see the waterfall and the potholes up close (and there are indeed potholes).
The route was very well explained and signposted. There were no major difficulties despite the rain the day before, but there was little water in the river and the fords were easy to cross. I'm not sure if this will always be the case.

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Yves Gilet
Yves Gilet
• Last modified:

Overall rating : 4.7 / 5

Date of walk : Aug 13, 2022
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★☆ Good
Route interest : ★★★★★ Very good
Busy trail : No

A lovely walk despite the low flow of the waterfall, due to the dry weather...
However, the "potholes" were clearly visible
No particular difficulty, brand new chains provide excellent assistance on the few tricky steps on the rocks, allowing access to the summit from the Chartreux cross (at the foot of the waterfall).
Don't hesitate, on this final steep section along the waterfall, to take the small, well-marked "side paths" that branch off from the main route to admire the waterfall more closely, taking care to stay safe. You'll reach the edge of the potholes, which are very pretty. However, avoid this route if the water flow is strong or the ground is too wet.

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Anoucka71
Anoucka71
• Last modified:

Overall rating : 3.3 / 5

Date of walk : Jun 14, 2022
Reliability of the description : ★★★☆☆ Average
Clarity of route map : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Busy trail : No

This hike cannot be described as easy or accessible to everyone. There are some very tricky sections and reaching the return route is almost like climbing.
The trail is not well marked everywhere.
The lakeside is very pleasant and the chapel is well worth a visit.

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pilatis51
pilatis51

Overall rating : 3.7 / 5

Date of walk : Apr 17, 2022
Reliability of the description : ★★★★☆ Good
Clarity of route map : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Busy trail : Yes

The river banks are quite eroded, so be careful when crossing.
Other than that, it's a very beautiful walk, but not an easy one. The ascents and descents should be tackled with caution.
Down below, the lake is huge and stunning, with some lovely picnic spots
Two kilometres away, the café-restaurant La Chèvrerie is a must-visit (please note that you need to book in advance as it gets very busy!)

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baboutravel
baboutravel

Overall rating : 4.5 / 5

Date of walk : Jun 03, 2021
Reliability of the description : N/A
Clarity of route map : ★★★★★ Very good
Route interest : ★★★★☆ Good
Busy trail : No

Nice walk, but there are a few "pitfalls": the waterfall bed is quite damaged, and there are quite a few places where you need to be careful (especially as we did it after heavy rain...). Nice view of the waterfall, but the climb to the top isn't easy for everyone. The potholes aren't very visible (or maybe we missed them
). The path is covered, so there's no view, just the small stream and the forest.
at the start, we did the upper loop towards the "Panorama" (signposted "Panorama" then "Chapelle Saint Bruno" to get back on track) then descended down the side of the mountain, which was nice and safe (allow an extra 40 minutes and 100 metres of elevation gain) but the view of the lake is worth it. Pass by the pretty Saint Bruno chapel. The picnic spots by the lake are perfect.
The valley is superb and we finished up on the terrace of the Café de la Chèvrerie, which serves delicious, generous dishes and offers a warm welcome. A very nice experience, thank you for the route!

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PAT007
PAT007

Overall rating : 4.5 / 5

Date of walk : Aug 01, 2020
Reliability of the description : ★★★★☆ Good
Clarity of route map : N/A
Route interest : ★★★★★ Very good
Busy trail : No

The effort of climbing to the top of the waterfall is well worth it to see the configuration of this multi-tiered waterfall with its potholes carved into the limestone rock.
Be careful though, as the climb is steep in wet or rainy conditions. Hold on to tree roots for support. Keep children away from the edge of the waterfall.

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fleur62250
fleur62250

Overall rating : 4.3 / 5

Date of walk : Jul 25, 2020
Reliability of the description : ★★★★★ Very good
Clarity of route map : ★★★★☆ Good
Route interest : ★★★★☆ Good
Busy trail : No

hike done today. Not too many people, very pleasant climb in the shade.
there wasn't much water in the waterfall, but it's very pretty, especially the "slide" section and the pools.
nice place to have a snack and rest
The Chartreux cross is no longer signposted and the handrail is gone, but the path back down is not difficult to find. The descent is a bit tricky and hard on the legs!
very nice walk, suitable for children

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