France 
In numbers.
Apr–Jul
Best months
1,223m
Elevation
The water at Cascade de la Diomaz, month by month
It roars from December to June.
The fullest months: from December to June.
- 94%Jan
- 83%Feb
- 94%Mar
- 89%Apr
- 100%May
- 87%Jun
- 70%Jul
- 66%Aug
- 59%Sep
- 67%Oct
- 70%Nov
- 84%Dec
Best months to go, with plenty of water and pleasant days: from April to July.
Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.
Cascade de la Diomaz is a waterfall in France.
Getting there.
- Bellevauxnearest town · 6.2 km in a straight line
- Parking 1,120 m awaynearest car park in OpenStreetMap, straight line
- Geneva International Airport (GVA)nearest airport with scheduled flights · 35 km in a straight lineCar hire at GVA airport (Geneva)Discover Cars · Affiliate link↗
- From April to Julybest months to go (estimate)
Plan your visit
Stay, explore and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
Seen from the sky.
8 × 8 km of cloud-free satellite image, with what OpenStreetMap knows around the falls.
N
2 km
Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 8 × 8 km, north up. Points © OpenStreetMap contributors.
The line follows the river as mapped in OpenStreetMap; heights from the 30 m Copernicus model, which smooths narrow drops — the published height of the falls is the one above.
Around the falls the river drops 306 m in 1.8 km. Here the river runs about 225 m below the lower rim of its valley.
What is around.
- 3viewpointsPanorama du Lac de Vallon
- —waymarked walking routes
- 9car parks
- —swimming spots
- 12picnic sites
- 1toilets
- 15information boards and visitor centres
- —bus stops within 1 km
- —other named waterfalls within 4 km
- —caves
- 1campsitesMieussy - Route de Sommand
- 12hotels, B&Bs and huts within 6 kmAux Joyeux Dahus, Les Roches 1500, Les Paddocks du Mont-Banc and 9 more
- 3restaurants and cafés within 3 km
Counted in OpenStreetMap, the map anyone can edit, up to 2 km around the falls (unless noted). A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).
Towns nearby
- Bellevaux6.2 km in a straight line
- Saint-Jean-d'Aulps8.0 km in a straight line
- Mieussy8.4 km in a straight line
- Les Gets10 km in a straight line
- Saint-Jeoire11 km in a straight line
- Taninges11 km in a straight line
- Morzine12 km in a straight line
- Boëge12 km in a straight line
Weather
The weather, month by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon °C | 0 | 1 | 6 | 11 | 14 | 19 | 21 | 21 | 17 | 12 | 6 | 1 |
| Night °C | -6 | -6 | -3 | 1 | 5 | 10 | 12 | 11 | 7 | 3 | -2 | -5 |
| Rain & snow (mm) | 98 | 73 | 90 | 75 | 111 | 100 | 93 | 99 | 76 | 92 | 96 | 106 |
| Wet days | 12 | 10 | 12 | 12 | 16 | 15 | 13 | 13 | 11 | 12 | 13 | 13 |
| Sun h/day | 3.3 | 4.5 | 5.5 | 6.3 | 6.6 | 8.5 | 8.8 | 7.9 | 6.9 | 5.0 | 3.1 | 2.6 |
| Snow on the ground (cm) | 19 | 20 | 15 | 8 | 3 | 0 | 0 | 0 | 1 | 4 | 11 | 18 |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (1,223 m) at −6.5 °C per 1,000 m. Not a forecast.
Recent years
Wet years and dry years
Rain of each month as a share of the 1991–2020 average. A wet season above 100 % usually means a fuller waterfall.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 51% | 170% | 90% | 61% | 100% | 145% | 39% | 112% | 107% | 200% | 26% | 87% |
| 2021 | 138% | 63% | 65% | 63% | 132% | 103% | 170% | 66% | 95% | 72% | 62% | 175% |
| 2022 | 41% | 111% | 21% | 122% | 40% | 89% | 28% | 62% | 200% | 94% | 119% | 129% |
| 2023 | 77% | 8% | 173% | 129% | 64% | 80% | 62% | 87% | 93% | 165% | 252% | 185% |
| 2024 | 119% | 87% | 110% | 110% | 147% | 137% | 99% | 74% | 281% | 156% | 64% | 112% |
| 2025 | 145% | 43% | 54% | 124% | 85% | 84% | 105% | 87% | 192% | 155% | 130% | 28% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
Cascade de la Diomaz
France
- —Height
- —Average flow
- Apr–JulBest months
About these numbers
| Names, height, width, river | Wikidata (Q2940855) · CC0 |
|---|---|
| Climate | NASA POWER, 1991–2020 |
| Relief, river profile, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Paths, viewpoints, parking | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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