Skip to content
cavernyas
EN
Intérieur de la grotte

Switzerland Switzerland Cave

Cotencher, Palaeolithic residential cave

9 °C inside, all year.

Underground river

See the descentHow to visit

JPGeiss · CC BY-SA 3.0

The descent

The entrance, at 680 m.

The real relief above Cotencher, Palaeolithic residential cave, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.

depth not publishedEntrance1,255 m1.0 kmvertical × 3.3depth not publishedEntrance1,255 m1.0 kmvertical × 7.1

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.

680m

Entrance altitude

from the 30 m relief model

9°C

Inside, all year

the yearly average outside, at the entrance

559m

Rock above

the highest point within 1.5 km

Inside and outside

9 °C inside, all year.

Deep inside, a cave keeps the average temperature of the year outside: about 9 °C here, in January and in August. In July the afternoon reaches 23 °C at the entrance, 14 °C warmer than inside: take a jacket.

outside, at the entrance (680 m)inside
  1. 2°-3°Jan
  2. 3°-3°Feb
  3. 8°0°Mar
  4. 13°4°Apr
  5. 17°8°May
  6. 21°12°Jun
  7. 23°14°Jul
  8. 22°13°Aug
  9. 18°9°Sep
  10. 14°6°Oct
  11. 8°1°Nov
  12. 3°-2°Dec
Inside: 9 °C all yearFrost outside: Dec–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 and archaeological site in Rochefort in the canton of Neuchâtel, Switzerland

Cotencher, Palaeolithic residential cave is a cave in Switzerland. The entrance is at 680 m. It has an underground river.

Read more on Wikipedia

Getting there.

  • Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
  • Rochefortnearest town · 1.6 km in a straight line
  • Viewpointsnearest viewpoint · 0.4 km from the entrance
  • Bern Airport (BRN)nearest airport with scheduled flights · 53 km in a straight lineCar hire at BRN airport (Bern)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 Areuse runs highest in January, from March to August and in October.

The Areuse carries about 5.2 m³/s on average here. It runs highest in January, from March to August and in October.

  1. 4.4 m³/sJan
  2. 3.2 m³/sFeb
  3. 5.5 m³/sMar
  4. 5.2 m³/sApr
  5. 7.8 m³/sMay
  6. 6.0 m³/sJun
  7. 4.4 m³/sJul
  8. 4.4 m³/sAug
  9. 2.5 m³/sSep
  10. 3.7 m³/sOct
  11. 2.6 m³/sNov
  12. 3.6 m³/sDec

From about 2.5 m³/s in the lowest month to 7.8 m³/s in the highest. Its basin above this point covers 218 km².

The Areuse from source to mouth on Riveryas — coming soon

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 Cotencher, Palaeolithic residential cave (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.

  • 5other cave entrances within 3 kmBaume du Four, Grotte de Cottencher, Grotte de Vert and 2 more
  • 3springs within 2 kmLe Merdasson
  • 11viewpoints within 3 kmLes Tablettes, Chute de la Verrière, Signal du Lessy and 8 more
  • 39marked hiking routes within 3 kmLe Belvédère - Forêt de Boudry, Le Lessy-Signal du Lessy, Grande Ecoeurne-Signal du Lessy and 36 more
  • 1named waterfalls within 4 kmChute de la Verrière
  • 28car parks within 2 km
  • 11information boards and visitor centres within 3 km
  • 15bus stops within 2 km
  • 11campsites within 8 kmCamping de la plage de Boudry, Euro-relais La Croisee, Stellplatz Serrières and 8 more
  • 41hotels and guesthouses within 8 kmFerme Robert - l'abri du Van, La Truite, Hôtel des Tilleuls and 38 more
  • 16restaurants and cafés within 3 km
  • sinkholes within 3 km
  • caving clubs and spots within 15 km
  • climbing crags within 3 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

  • Rochefort1.6 km in a straight line
  • Boudry3.1 km in a straight line
  • Cortaillod3.9 km in a straight line
  • Bevaix3.9 km in a straight line
  • Auvernier6.0 km in a straight line
  • Les Ponts-de-Martel6.6 km in a straight line
  • Les Geneveys-sur-Coffrane6.8 km in a straight line
  • Peseux7.1 km in a straight line

In our other atlases

What else is around Cotencher, Palaeolithic residential cave.

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

Cascadyas1 waterfalls within 5 km
Saut de Brot · 4.3 km
Peakyas14 mountains within 10 km
Tablettes1,290 m · 1.7 kmSignal du Lessy1,372 m · 3.8 kmLa Chaille1,444 m · 5.5 kmCreux du Van1,232 m · 6.4 kmMont Racine1,439 m · 6.5 kmCrêt aux Moines1,445 m · 6.6 kmLe Soliat1,464 m · 7.1 kmGrand Som Martel1,337 m · 7.7 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
Afternoon2381317212322181483
Afternoon2381317212322181483
Night-3-3048121413961-2
Rain (mm)85668683124112113118831008596
Rainy days121213131716161413131314
Sun hours/day2.23.55.16.56.88.48.57.66.44.32.41.7
Snow on the ground (cm)1615105100002915
AfternoonAfternoonNightRain (mm)Sun hours/day
Jan22-3852.2
Feb33-3663.5
Mar880865.1
Apr13134836.5
May171781246.8
Jun2121121128.4
Jul2323141138.5
Aug2222131187.6
Sep18189836.4
Oct141461004.3
Nov881852.4
Dec33-2961.7

Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (680 m) with the standard lapse rate. Not a forecast.

Photographs

Inside and around.

Devant la grotte
JPGeiss · CC BY-SA 3.0
Grotta di Cotencher, esterno
Finsteraarhorn · 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
202055%187%90%46%92%150%42%94%96%178%31%92%
2021122%73%62%49%128%148%158%64%73%74%63%147%
202254%119%28%124%45%102%36%65%214%88%136%113%
202392%23%137%126%64%40%89%81%55%141%281%160%
2024119%108%113%112%143%132%82%78%228%150%83%113%
2025154%58%50%88%70%107%108%109%189%135%155%28%

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

Caves nearby.

Cotencher, Palaeolithic residential cave

Switzerland

  • —Depth
  • —Galleries
  • 680 mEntrance altitude
  • 9 °CInside, all year

Grotte du Bichon

Switzerland · 21 km

  • —Depth
  • —Galleries
  • 868 mEntrance altitude
  • 8 °CInside, all year

See the guide

Glacière de Monlési

Switzerland · 17 km

  • —Depth
  • —Galleries
  • 1,138 mEntrance altitude
  • 0 °CInside, all year

See the guide

Vallorbe Caves

Switzerland · 46 km

  • —Depth
  • —Galleries
  • 851 mEntrance altitude
  • 8 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitorsWikidata (Q1643779) · 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