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Altxerri cave - Antelope

Spain Spain Cave with prehistoric art World Heritage

Cave of Altxerri

15 °C inside, all year.

No public accessPrehistoric art

See the descentHow to visit

GipuzkoaKultura · CC BY-SA 2.0

The descent

The entrance, at 27 m.

The real relief above Cave of Altxerri, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.

depth not publishedEntrance280 m1.0 kmvertical × 8.6depth not publishedEntrance280 m1.0 kmvertical × 18.5

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.

27m

Entrance altitude

from the 30 m relief model

15°C

Inside, all year

the yearly average outside, at the entrance

153m

Rock above

the highest point within 1.5 km

Inside and outside

15 °C inside, all year.

Deep inside, a cave keeps the average temperature of the year outside: about 15 °C here, in January and in August. In August the afternoon reaches 24 °C at the entrance, 9 °C warmer than inside: take a jacket.

outside, at the entrance (27 m)inside
  1. 12°8°Jan
  2. 12°8°Feb
  3. 14°9°Mar
  4. 15°11°Apr
  5. 18°13°May
  6. 21°16°Jun
  7. 23°18°Jul
  8. 24°19°Aug
  9. 22°17°Sep
  10. 20°15°Oct
  11. 15°11°Nov
  12. 12°9°Dec
Inside: 15 °C all yearWettest: Nov–Jan

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 in Spain

Cave of Altxerri is a cave with prehistoric art in Spain. The entrance is at 27 m. It is closed to the public to protect it. It is part of a UNESCO World Heritage site.

Read more on Wikipedia

Getting there.

  • No public accessProtected for science or for its art. Look for a replica or a visitor centre nearby.
  • Orionearest town · 1.4 km in a straight line
  • Viewpointsnearest viewpoint · 1.3 km from the entrance
  • San Sebastián Airport (EAS)nearest airport with scheduled flights · 30 km in a straight lineCar hire at BIQ airport (Biarritz)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.

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 Cave of Altxerri (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.

  • 1other cave entrances within 3 kmAltxerri
  • 12viewpoints within 3 km
  • 9marked hiking routes within 3 kmE04 Talaia ibilbidea: Orio - Zumaia, Camino del Norte (Euskal Herria), E03 Talaia ibilbidea: Donostia - Orio and 6 more
  • 1climbing crags within 3 kmKlimb
  • 33car parks within 2 km
  • 31information boards and visitor centres within 3 km
  • 7bus stops within 2 km
  • 9campsites within 8 kmPortuko aparkalekua, Gran Camping Zarautz, Camping Talaimendi and 6 more
  • 72hotels and guesthouses within 8 kmAlbergue Txurruka alterpea, Txiki Polit, Agroturismo Maddiola and 69 more
  • 44restaurants and cafés within 3 km
  • springs within 2 km
  • sinkholes within 3 km
  • caving clubs and spots within 15 km
  • named waterfalls within 4 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

  • Orio1.4 km in a straight line
  • Zarautz3.3 km in a straight line
  • Getaria6.8 km in a straight line
  • Usurbil6.9 km in a straight line
  • Asteasu8.8 km in a straight line
  • Lasarte9.2 km in a straight line
  • Oria9.5 km in a straight line
  • Zumaia10 km in a straight line

In our other atlases

What else is around Cave of Altxerri.

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

Peakyas13 mountains within 10 km
Andatza562 m · 5.4 kmZarateaitz487 m · 6.1 kmMendizorrotz415 m · 6.5 kmIndamendi462 m · 6.6 kmBelkoain491 m · 8.8 kmErtxiña431 m · 8.8 kmIndo (mountain)764 m · 9.3 kmGazume997 m · 9.9 km
Coastya1 beaches within 3 km
Antillasea up to 22 °C · 2.4 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
Afternoon121214151821232422201512
Afternoon121214151821232422201512
Night88911131618191715119
Rain (mm)126969086826848506494149117
Rainy days141312141311101012131514
Sun hours/day2.64.05.56.37.28.18.47.87.14.93.22.8
Snow on the ground (cm)332000000012
AfternoonAfternoonNightRain (mm)Sun hours/day
Jan121281262.6
Feb12128964.0
Mar14149905.5
Apr151511866.3
May181813827.2
Jun212116688.1
Jul232318488.4
Aug242419507.8
Sep222217647.1
Oct202015944.9
Nov1515111493.2
Dec121291172.8

Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (27 m) with the standard lapse rate. Not a forecast.

Photographs

Inside and around.

Altxerri cave - Big Bison
GipuzkoaKultura · CC BY-SA 2.0
Altxerri
Vanbasten 23 · CC BY-SA 3.0

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
202046%41%167%125%133%132%56%139%187%252%25%312%
2021131%103%28%59%86%196%84%55%216%69%156%196%
202265%40%110%121%25%86%19%111%173%37%132%68%
2023161%52%58%82%75%144%64%118%182%140%165%123%
202470%188%152%77%139%143%65%188%260%223%59%113%
2025123%58%110%92%122%97%102%139%105%44%107%83%

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

Caves nearby.

Cave of Altxerri

Spain

  • —Depth
  • —Galleries
  • 27 mEntrance altitude
  • 15 °CInside, all year

Ekain cave

Spain · 12 km

  • —Depth
  • —Galleries
  • 84 mEntrance altitude
  • 15 °CInside, all year

See the guide

Praileaitz Cave

Spain · 19 km

  • —Depth
  • —Galleries
  • 65 mEntrance altitude
  • 15 °CInside, all year

See the guide

Santimamiñe kobazuloa

Spain · 42 km

  • —Depth
  • —Galleries
  • 164 mEntrance altitude
  • 14 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitorsWikidata (Q361060) · 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
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