Spain Pacopac · CC BY-SA 4.0
The descent
The entrance, at 2,606 m.
The real relief above Grotto of Casteret, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.
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.
2,606m
Entrance altitude
from the 30 m relief model
0°C
Inside, all year
the yearly average outside, at the entrance
402m
Rock above
the highest point within 1.5 km
Inside and outside
0 °C inside, all year.
Deep inside, a cave keeps the average temperature of the year outside: about 0 °C here, in January and in August. In July the afternoon reaches 16 °C at the entrance, 16 °C warmer than inside: take a jacket.
- -4°-12°Jan
- -3°-12°Feb
- 0°-9°Mar
- 4°-7°Apr
- 8°-3°May
- 13°2°Jun
- 16°4°Jul
- 16°3°Aug
- 11°0°Sep
- 6°-4°Oct
- 0°-8°Nov
- -3°-11°Dec
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 Fanlo, Aragon, Spain
Grotto of Casteret is a cave in Spain. The entrance is at 2,606 m.
Getting there.
- Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
- Brotonearest town · 12 km in a straight line
- Viewpointsnearest viewpoint · 1.4 km from the entrance
- Tarbes-Lourdes-Pyrénées Airport (LDE)nearest airport with scheduled flights · 55 km in a straight lineCar hire at LDE airport (Tarbes/Lourdes/Pyrénées)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.
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.
- 8other cave entrances within 3 kmAbri de La Brèche de Roland, Abri Gaurier, Gruta Casteret and 5 more
- 4springs within 2 kmRiachuelo and 3 more
- 4sinkholes within 3 km
- 2viewpoints within 3 km
- 8marked hiking routes within 3 kmCirque de Gavarnie, Mont Perdu par la brèche de Roland, Les Lacs près du Col des Espécières and 5 more
- 1climbing crags within 3 kmClavijas de Cotatuero
- 4named waterfalls within 4 kmCascada Cola de Caballo, Cascada de los Abetos, Cascada de Tamborrotera and 1 more
- 2information boards and visitor centres within 3 km
- 8campsites within 8 kmAire de bivouac du Refuge des Espuguettes, La Bergerie, Aire pour camping-cars Gavarnie and 5 more
- 33hotels and guesthouses within 8 kmCasa Lordán, Hôtel Vignemale, Hotêl Le Compostelle and 30 more
- 2restaurants and cafés within 3 km
- caving clubs and spots within 15 km
- car parks within 2 km
- bus stops within 2 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
- Broto12 km in a straight line
- Yésero19 km in a straight line
- Puértolas20 km in a straight line
- Luz-Saint-Sauveur21 km in a straight line
- Bielsa21 km in a straight line
- Fiscal22 km in a straight line
- Hoz de Jaca22 km in a straight line
- Cauterets24 km in a straight line
In our other atlases
What else is around Grotto of Casteret.
The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.
Cascadyas2 waterfalls within 5 km
Peakyas31 mountains within 10 kmFigures 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon | -4 | -3 | 0 | 4 | 8 | 13 | 16 | 16 | 11 | 6 | 0 | -3 |
| Afternoon | -4 | -3 | 0 | 4 | 8 | 13 | 16 | 16 | 11 | 6 | 0 | -3 |
| Night | -12 | -12 | -9 | -7 | -3 | 2 | 4 | 3 | 0 | -4 | -8 | -11 |
| Rain (mm) | 60 | 48 | 60 | 72 | 71 | 50 | 37 | 37 | 47 | 59 | 68 | 50 |
| Rainy days | 12 | 10 | 10 | 14 | 13 | 10 | 8 | 8 | 10 | 11 | 13 | 11 |
| Sun hours/day | 4.5 | 5.5 | 6.4 | 6.8 | 7.8 | 9.5 | 10.3 | 9.4 | 8.0 | 6.1 | 4.8 | 4.5 |
| Snow on the ground (cm) | 14 | 14 | 10 | 6 | 2 | 0 | 0 | 0 | 0 | 2 | 8 | 13 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | -4 | -4 | -12 | 60 | 4.5 |
| Feb | -3 | -3 | -12 | 48 | 5.5 |
| Mar | 0 | 0 | -9 | 60 | 6.4 |
| Apr | 4 | 4 | -7 | 72 | 6.8 |
| May | 8 | 8 | -3 | 71 | 7.8 |
| Jun | 13 | 13 | 2 | 50 | 9.5 |
| Jul | 16 | 16 | 4 | 37 | 10.3 |
| Aug | 16 | 16 | 3 | 37 | 9.4 |
| Sep | 11 | 11 | 0 | 47 | 8.0 |
| Oct | 6 | 6 | -4 | 59 | 6.1 |
| Nov | 0 | 0 | -8 | 68 | 4.8 |
| Dec | -3 | -3 | -11 | 50 | 4.5 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (2,606 m) with the standard lapse rate. Not a forecast.
Photographs
Inside and around.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 109% | 35% | 156% | 142% | 134% | 166% | 65% | 73% | 126% | 187% | 62% | 245% |
| 2021 | 119% | 63% | 18% | 58% | 51% | 164% | 75% | 41% | 154% | 98% | 104% | 148% |
| 2022 | 46% | 34% | 106% | 91% | 38% | 96% | 83% | 118% | 123% | 112% | 115% | 122% |
| 2023 | 117% | 69% | 41% | 43% | 73% | 231% | 77% | 101% | 119% | 97% | 115% | 91% |
| 2024 | 66% | 169% | 220% | 64% | 109% | 126% | 83% | 160% | 301% | 190% | 50% | 56% |
| 2025 | 103% | 52% | 196% | 104% | 90% | 104% | 56% | 141% | 107% | 52% | 112% | 72% |
130% or more: wet month 70% or less: dry month
Caves nearby.
Grotto of Casteret
Spain
- —Depth
- —Galleries
- 2,606 mEntrance altitude
- 0 °CInside, all year
Massabielle Grotto
France · 46 km
- —Depth
- —Galleries
- 382 mEntrance altitude
- 14 °CInside, all year
Bétharram caves
France · 48 km
- —Depth
- —Galleries
- 335 mEntrance altitude
- 14 °CInside, all year
Caves of Gargas
France · 62 km
- —Depth
- —Galleries
- 551 mEntrance altitude
- 12 °CInside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q2968640) · CC0 |
|---|---|
| The relief above, the entrance altitude, the section and the 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Climate | NASA POWER, 1991–2020 |
| Entrances, springs, sinkholes, opening hours and what is around | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Rivers, waterfalls, lakes, mountains, canyons, beaches and islands nearby | Coastya, 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.
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