Portugal Lara Maia · CC BY-SA 3.0 es
The descent
The entrance, at 300 m.
The real relief above Grutas de Mira de Aire, 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.
300m
Entrance altitude
from the 30 m relief model
14°C
Inside, all year
the yearly average outside, at the entrance
174m
Rock above
the highest point within 1.5 km
Inside and outside
14 °C inside, all year.
Deep inside, a cave keeps the average temperature of the year outside: about 14 °C here, in January and in August. In August the afternoon reaches 28 °C at the entrance, 13 °C warmer than inside: take a jacket. The best months to escape the heat are from July to August.
- 12°4°Jan
- 14°4°Feb
- 16°6°Mar
- 18°8°Apr
- 22°10°May
- 25°13°Jun
- 27°14°Jul
- 28°14°Aug
- 26°13°Sep
- 21°11°Oct
- 16°7°Nov
- 13°4°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.
Grutas de Mira de Aire is a cave in Portugal. The entrance is at 300 m.
Getting there.
- Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
- Miranearest town · 1.0 km in a straight line
- Viewpointsnearest viewpoint · 1.8 km from the entrance
- Lisbon Humberto Delgado Airport (LIS)nearest airport with scheduled flights · 92 km in a straight lineCar hire at LIS airport (Lisbon)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.
- 5other cave entrances within 3 kmLapa da Cerejeira, Lapa da Ovelha, Ventas do Diabo and 2 more
- 3springs within 2 kmNascente da Pena, Nascente do Olho
- 2sinkholes within 3 km
- 5viewpoints within 3 km
- 5marked hiking routes within 3 kmCaminho de Tejo, Rota dos Frades, Rota de Minde and 2 more
- 35car parks within 2 km
- 1information boards and visitor centres within 3 km
- 4bus stops within 2 km
- 3campsites within 8 km
- 12hotels and guesthouses within 8 kmBaiuca dos Penedos, Casas da Gruta, Refúgio do Sagrado Coração de Jesus and 9 more
- 12restaurants and cafés within 3 km
- caving clubs and spots within 15 km
- climbing crags within 3 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
- Mira1.0 km in a straight line
- Minde3.0 km in a straight line
- Monsanto8.7 km in a straight line
- Alcanena9.5 km in a straight line
- Fátima10 km in a straight line
- Zibreira10 km in a straight line
- Alqueidão da Serra11 km in a straight line
- Amiães de Baixo11 km in a straight line
In our other atlases
What else is around Grutas de Mira de Aire.
The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.
Peakyas9 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 | 12 | 14 | 16 | 18 | 22 | 25 | 27 | 28 | 26 | 21 | 16 | 13 |
| Afternoon | 12 | 14 | 16 | 18 | 22 | 25 | 27 | 28 | 26 | 21 | 16 | 13 |
| Night | 4 | 4 | 6 | 8 | 10 | 13 | 14 | 14 | 13 | 11 | 7 | 4 |
| Rain (mm) | 84 | 63 | 71 | 64 | 42 | 18 | 6 | 10 | 32 | 94 | 100 | 76 |
| Rainy days | — | — | — | — | — | — | — | — | — | — | — | — |
| Sun hours/day | 4.5 | 6.0 | 6.7 | 7.9 | 9.8 | 11.0 | 11.9 | 11.2 | 9.0 | 6.3 | 4.9 | 4.5 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 12 | 12 | 4 | 84 | 4.5 |
| Feb | 14 | 14 | 4 | 63 | 6.0 |
| Mar | 16 | 16 | 6 | 71 | 6.7 |
| Apr | 18 | 18 | 8 | 64 | 7.9 |
| May | 22 | 22 | 10 | 42 | 9.8 |
| Jun | 25 | 25 | 13 | 18 | 11.0 |
| Jul | 27 | 27 | 14 | 6 | 11.9 |
| Aug | 28 | 28 | 14 | 10 | 11.2 |
| Sep | 26 | 26 | 13 | 32 | 9.0 |
| Oct | 21 | 21 | 11 | 94 | 6.3 |
| Nov | 16 | 16 | 7 | 100 | 4.9 |
| Dec | 13 | 13 | 4 | 76 | 4.5 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (300 m) with the standard lapse rate. Not a forecast.
Photographs
Inside and around.
Caves nearby.
Grutas de Mira de Aire
Portugal
- —Depth
- —Galleries
- 300 mEntrance altitude
- 14 °CInside, all year
Cave of Aroeira
Portugal · 8 km
- —Depth
- —Galleries
- 146 mEntrance altitude
- 15 °CInside, all year
Grutas da Moeda
Portugal · 9 km
- —Depth
- —Galleries
- 374 mEntrance altitude
- 14 °CInside, all year
Gruta da Nascente do Almonda
Portugal · 9 km
- —Depth
- —Galleries
- 101 mEntrance altitude
- —Inside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q30015021) · 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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Every viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit 
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