Quico Iglesias · CC BY-SA 4.0
The descent
3 metres down, to scale.
The real relief above Cova d'en Joan, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.
a person (2 m) would fit upside down 1.7 times.
The depth is the one published by those who explored it; the shape of the galleries is a sketch, not a survey.
3m
Depth
published (Wikidata)
404m
Entrance altitude
from the 30 m relief model
15°C
Inside, all year
the yearly average outside, at the entrance
77m
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 26 °C at the entrance, 11 °C warmer than inside: take a jacket.
- 11°5°Jan
- 11°5°Feb
- 13°7°Mar
- 16°9°Apr
- 19°12°May
- 23°17°Jun
- 26°20°Jul
- 26°20°Aug
- 23°17°Sep
- 19°14°Oct
- 15°9°Nov
- 12°6°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 Spain
Cova d'en Joan is a cave in Spain. It goes down 3 m below the entrance. The entrance is at 404 m. It lies within Parc de la Serralada Litoral.
Getting there.
- Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
- Cabrilsnearest town · 2.2 km in a straight line
- Mirador de la Pedreranearest viewpoint · 1.8 km from the entrance
- Josep Tarradellas Barcelona-El Prat Airport (BCN)nearest airport with scheduled flights · 34 km in a straight lineCar hire at BCN airport (Barcelona)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.
- 4other cave entrances within 3 kmCastell de Pedra, Cova de la Granota, Cova d'en Pau and 1 more
- 9springs within 2 kmFont Freda, Font d'en Dirol, Font de Sant Mateu and 6 more
- 9viewpoints within 3 kmMirador de la Cornisa, Mirador de Cirers, Mirador del Pi d'en Duran and 6 more
- 18marked hiking routes within 3 kmGranollers-La Roca del Vallès, Cabrera de Mar-Castell de Burriac, Cabrils-Les Artigasses and 15 more
- 5climbing crags within 3 kmescalada Cellecs, Rocòdrom Germans Estorach, Banyadores and 2 more
- 26car parks within 2 km
- 2information boards and visitor centres within 3 km
- 20bus stops within 2 km
- 7campsites within 8 kmTerreny d'acampada Can Girona, Agro Camper Mediterrani, Area Camper Barcelona Beach and 4 more
- 37hotels and guesthouses within 8 kmHotel Ciutat de Granollers, Hotel Granollers, Mas de Baix and 34 more
- 29restaurants and cafés within 3 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
- Cabrils2.2 km in a straight line
- Òrrius2.3 km in a straight line
- Premià de Dalt3.4 km in a straight line
- Teià4.0 km in a straight line
- Premià de Mar4.6 km in a straight line
- Vilassar de Mar4.9 km in a straight line
- Cabrera de Mar4.9 km in a straight line
- Argentona5.4 km in a straight line
In our other atlases
What else is around Cova d'en Joan.
The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon | 11 | 11 | 13 | 16 | 19 | 23 | 26 | 26 | 23 | 19 | 15 | 12 |
| Afternoon | 11 | 11 | 13 | 16 | 19 | 23 | 26 | 26 | 23 | 19 | 15 | 12 |
| Night | 5 | 5 | 7 | 9 | 12 | 17 | 20 | 20 | 17 | 14 | 9 | 6 |
| Rain (mm) | 47 | 42 | 57 | 67 | 64 | 39 | 44 | 56 | 76 | 93 | 68 | 36 |
| Rainy days | 6 | 5 | 7 | 8 | 8 | 6 | 6 | 8 | 9 | 9 | 7 | 6 |
| Sun hours/day | 4.8 | 5.8 | 7.1 | 7.8 | 9.2 | 10.8 | 10.8 | 9.6 | 7.4 | 5.9 | 4.9 | 4.5 |
| Snow on the ground (cm) | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 11 | 11 | 5 | 47 | 4.8 |
| Feb | 11 | 11 | 5 | 42 | 5.8 |
| Mar | 13 | 13 | 7 | 57 | 7.1 |
| Apr | 16 | 16 | 9 | 67 | 7.8 |
| May | 19 | 19 | 12 | 64 | 9.2 |
| Jun | 23 | 23 | 17 | 39 | 10.8 |
| Jul | 26 | 26 | 20 | 44 | 10.8 |
| Aug | 26 | 26 | 20 | 56 | 9.6 |
| Sep | 23 | 23 | 17 | 76 | 7.4 |
| Oct | 19 | 19 | 14 | 93 | 5.9 |
| Nov | 15 | 15 | 9 | 68 | 4.9 |
| Dec | 12 | 12 | 6 | 36 | 4.5 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (404 m) with the standard lapse rate. Not a forecast.
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 | 475% | 16% | 183% | 384% | 120% | 420% | 362% | 182% | 98% | 107% | 372% | 169% |
| 2021 | 84% | 100% | 40% | 80% | 66% | 89% | 84% | 65% | 99% | 54% | 224% | 19% |
| 2022 | 22% | 23% | 284% | 76% | 75% | 51% | 46% | 167% | 96% | 40% | 48% | 82% |
| 2023 | 26% | 92% | 11% | 26% | 136% | 152% | 76% | 118% | 92% | 48% | 16% | 13% |
| 2024 | 41% | 52% | 257% | 199% | 128% | 403% | 106% | 64% | 120% | 147% | 119% | 130% |
| 2025 | 21% | 118% | 357% | 79% | 202% | 19% | 319% | 94% | 208% | 40% | 77% | 503% |
130% or more: wet month 70% or less: dry month
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q21402389) · 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.



