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Pont sur le Rhône - Saint-Maurice

Switzerland Switzerland Show cave

Grotte aux Fées

11 °C inside, all year.

Show caveStalactitesUnderground riverCave system

See the descentHow to visit

Ludovic Péron · CC BY-SA 3.0

The descent

The entrance, at 531 m.

The real relief above Grotte aux Fées, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.

depth not publishedEntrance1,502 m1.0 kmvertical × 2.2depth not publishedEntrance1,502 m1.0 kmvertical × 4.8

The depth is the one published by those who explored it; the shape of the galleries is a sketch, not a survey. No depth has been published for this cave yet.

531m

Entrance altitude

from the 30 m relief model

11°C

Inside, all year

the yearly average outside, at the entrance

290m

Rock above

the highest point within 1.5 km

Inside and outside

11 °C inside, all year.

Deep inside, a cave keeps the average temperature of the year outside: about 11 °C here, in January and in August. In July the afternoon reaches 26 °C at the entrance, 15 °C warmer than inside: take a jacket.

outside, at the entrance (531 m)inside
  1. 5°-3°Jan
  2. 6°-3°Feb
  3. 9°1°Mar
  4. 15°6°Apr
  5. 20°10°May
  6. 24°14°Jun
  7. 26°16°Jul
  8. 26°15°Aug
  9. 22°12°Sep
  10. 18°8°Oct
  11. 11°3°Nov
  12. 7°-1°Dec
Inside: 11 °C all yearFrost outside: Jan–Feb

Outside: afternoon and night averages for 1991–2020 (NASA POWER) brought to the altitude of the entrance. Inside: the yearly average, which deep parts of a cave keep. Near the entrance it follows the weather a little.

Cave complex in the canton of Valais, Switzerland

Grotte aux Fées is a show cave in Switzerland. The entrance is at 531 m. It has an underground river, stalactites and stalagmites and several entrances and long galleries. It is open to visitors.

Read more on Wikipedia

Getting there.

  • Show cave: open to visitorsHours in OpenStreetMap: Mar 15-Jun 30 10:00-17:00; Jul 01-Aug 31 10:00-18:00; Sep 01 · ticket requiredOfficial site
  • Saint-Mauricenearest town · 0.5 km in a straight line
  • Parking 190 m awaynearest car park in OpenStreetMap, straight line
  • Viewpointsnearest viewpoint · 0.8 km from the entrance
  • Geneva International Airport (GVA)nearest airport with scheduled flights · 69 km in a straight lineCar hire at GVA airport (Geneva)Discover Cars · sponsored link

Plan the visit

Guided tours, a bed nearby, a car.

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.

The water

The Le Rhône runs highest from April to May.

The Le Rhône carries about 159 m³/s on average here. It runs highest from April to May, fed by melting snow.

  1. 72 m³/sJan
  2. 29 m³/sFeb
  3. 253 m³/sMar
  4. 399 m³/sApr
  5. 363 m³/sMay
  6. 247 m³/sJun
  7. 155 m³/sJul
  8. 128 m³/sAug
  9. 81 m³/sSep
  10. 77 m³/sOct
  11. 99 m³/sNov
  12. 116 m³/sDec

From about 29 m³/s in the lowest month to 399 m³/s in the highest. Its basin above this point covers 4,737 km².

Follow the Rhône from source to mouth on Riveryas

Estimate: long-term flow from the HydroATLAS model (WaterGAP, 1971–2000) shaped by the monthly rain, snow and temperature of the area (NASA POWER). Dams change it. Not a forecast.

From above.

The ground above the cave, with the relief shaded, the line of the section and what people have mapped around the entrance.

The ground above Grotte aux Fées (Sentinel-2) N 1.5 km

Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 6.0 × 6.0 km, north up. The line is the section above. Points © OpenStreetMap contributors.

Around the entrance.

  • 3other cave entrances within 3 kmGrotte aux Fées, Tunnel du château
  • 1springs within 2 kmSource de Notre-Dame-du-Scex
  • 14viewpoints within 3 km
  • 22marked hiking routes within 3 kmVia Francigena, Tour des Dents du Midi and 20 more
  • 4climbing crags within 3 kmLe Moulin, Ymer, Toblerone and 1 more
  • 1named waterfalls within 4 kmCascade du Grotte aux Fées
  • 90car parks within 2 km
  • 7information boards and visitor centres within 3 km
  • 32bus stops within 2 km
  • 6campsites within 8 kmCamping La Châtaigneraie, Stellplatz Gryon, Frassettes and 3 more
  • 46hotels and guesthouses within 8 kmLe Cèdre, Auberge de l'Armailli, Whitepod and 43 more
  • 36restaurants and cafés within 3 km
  • sinkholes within 3 km
  • caving clubs and spots within 15 km

Counted in OpenStreetMap, the map anyone can edit, around the entrance. A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).

Towns nearby

  • Saint-Maurice0.5 km in a straight line
  • Bex3.0 km in a straight line
  • Evionnaz4.9 km in a straight line
  • Monthey5.1 km in a straight line
  • Troistorrents6.6 km in a straight line
  • Collombey7.0 km in a straight line
  • Gryon7.2 km in a straight line
  • Ollon8.1 km in a straight line

In our other atlases

What else is around Grotte aux Fées.

The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.

Peakyas60 mountains within 10 km
Dents de Morcles2,969 m · 6.3 kmCime de l'Est3,179 m · 6.9 kmDent Favre2,917 m · 8.0 kmDent Jaune3,186 m · 8.4 kmLes Doigts3,210 m · 8.9 kmHaute Cime3,257 m · 9.2 kmGrand Muveran3,051 m · 9.7 kmGrand Chavalard2,901 m · 9.9 km

Figures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, NOAA, OpenStreetMap). Links open when each site is online.

Month by month

The weather outside, at the entrance.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon56915202426262218117
Afternoon56915202426262218117
Night-3-316101416151283-1
Rain (mm)107779474117105103105768694110
Rainy days121113131816151413131414
Sun hours/day3.34.55.56.36.68.58.87.96.95.03.12.6
Snow on the ground (cm)496246156101371529
AfternoonAfternoonNightRain (mm)Sun hours/day
Jan55-31073.3
Feb66-3774.5
Mar991945.5
Apr15156746.3
May2020101176.6
Jun2424141058.5
Jul2626161038.8
Aug2626151057.9
Sep222212766.9
Oct18188865.0
Nov11113943.1
Dec77-11102.6

Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (531 m) with the standard lapse rate. Not a forecast.

Photographs

Inside and around.

Grotte-fees 02
Traumrune · CC BY-SA 3.0
Grottes aux Fees
Paebi · CC BY-SA 4.0
Saint-Maurice. Veduta del sentiero per la Grotte aux Fées
André Corboz · CC BY-SA 4.0

Recent years

Wet years, dry years.

Rain of each month as a share of the 1991–2020 average. A dry year means a lower river and hotter rock; a wet one, more water in the gorge.

JanFebMarAprMayJunJulAugSepOctNovDec
202054%206%105%67%97%145%50%116%136%209%24%70%
2021146%67%73%63%124%103%147%64%93%62%59%162%
202239%119%19%126%57%75%33%55%179%107%104%113%
202372%8%186%138%76%101%68%101%87%167%272%194%
2024101%88%142%128%156%161%102%78%280%175%79%110%
2025124%39%41%141%88%92%102%91%175%157%106%28%

130% or more: wet month 70% or less: dry month

Caves nearby.

Grotte aux Fées

Switzerland

  • —Depth
  • —Galleries
  • 531 mEntrance altitude
  • 11 °CInside, all year

Saint-Léonard underground lake

Switzerland · 33 km

  • 4 mDepth
  • 0.3 kmGalleries
  • 509 mEntrance altitude
  • 11 °CInside, all year

See the guide

Gouffre Jean-Bernard

France · 21 km

  • —Depth
  • —Galleries
  • 2,209 mEntrance altitude
  • 0 °CInside, all year

See the guide

Gouffre Mirolda

France · 23 km

  • —Depth
  • —Galleries
  • 1,893 mEntrance altitude
  • 2 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitorsWikidata (Q685710) · CC0
The relief above, the entrance altitude, the section and the 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
River flow and basinHydroATLAS / RiverATLAS v1.0 (Linke et al. 2019) · CC BY 4.0
ClimateNASA POWER, 1991–2020
Entrances, springs, sinkholes, opening hours and what is around© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Rivers, waterfalls, lakes, mountains, canyons, beaches and islands nearbyCoastya, Lakeyas, Peakyas, Cascadyas, Islandyas, Riveryas

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Visit mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit
cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.You are here
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit
viewpointsViewyasEvery viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit
birdwatchingBirdyasEvery bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Coming soonVisit
forestsForestyaEvery forest with its land-cover rings, what grows and lives in it, and the best months to walk it.Coming soonVisit