nikola_pu · CC BY-SA 3.0
The descent
The entrance, at 20 m.
The real relief above Blue Grotto, 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.
20m
Entrance altitude
from the 30 m relief model
18°C
Inside, all year
the yearly average outside, at the entrance
270m
Rock above
the highest point within 1.5 km
236,464
Visitors a year
published (Wikidata)
Inside and outside
18 °C inside, all year.
Deep inside, a cave keeps the average temperature of the year outside: about 18 °C here, in January and in August. In August the afternoon reaches 27 °C at the entrance, 8 °C warmer than inside: take a jacket.
- 13°11°Jan
- 13°11°Feb
- 14°12°Mar
- 16°14°Apr
- 20°18°May
- 24°22°Jun
- 26°24°Jul
- 27°25°Aug
- 24°22°Sep
- 22°19°Oct
- 18°16°Nov
- 15°13°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.
Sea cave on the coast of Capri, Italy
Blue Grotto is a sea cave in Italy. The entrance is at 20 m. It has the sea at its mouth. It is open to visitors.
Getting there.
- Show cave: open to visitorsUsually with a guided tour; check times and tickets on the official site.
- Anacaprinearest town · 1.2 km in a straight line
- Parking 20 m awaynearest car park in OpenStreetMap, straight line
- Viewpointsnearest viewpoint · 0.9 km from the entrance
- Naples International Airport (NAP)nearest airport with scheduled flights · 37 km in a straight lineCar hire at NAP airport (Napoli)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 kmGrotta Azzurra, Grotta del Castiglione, Grotta Verde and 2 more
- 26viewpoints within 3 kmBelvedere Filosofico, Monte Solaro, Grotta Verde and 23 more
- 7marked hiking routes within 3 kmSentiero dei Fortini, Via Krupp, Cresta Nord and 4 more
- 12car parks within 2 km
- 4information boards and visitor centres within 3 km
- 9bus stops within 2 km
- 4campsites within 8 kmwild camping and 3 more
- 45hotels and guesthouses within 8 kmPazziella, Casa Morgano, Scalinatella and 42 more
- 42restaurants and cafés within 3 km
- springs within 2 km
- sinkholes 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
- Anacapri1.2 km in a straight line
- Capri3.3 km in a straight line
- Sant'Agata sui Due Golfi15 km in a straight line
- Massa Lubrense15 km in a straight line
- Sorrento16 km in a straight line
- Sant'Agnello18 km in a straight line
- Piano di Sorrento19 km in a straight line
- Meta20 km in a straight line
In our other atlases
What else is around Blue Grotto.
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 | 13 | 13 | 14 | 16 | 20 | 24 | 26 | 27 | 24 | 22 | 18 | 15 |
| Afternoon | 13 | 13 | 14 | 16 | 20 | 24 | 26 | 27 | 24 | 22 | 18 | 15 |
| Night | 11 | 11 | 12 | 14 | 18 | 22 | 24 | 25 | 22 | 19 | 16 | 13 |
| Rain (mm) | 102 | 82 | 74 | 57 | 41 | 30 | 21 | 24 | 77 | 88 | 130 | 101 |
| Rainy days | — | — | — | — | — | — | — | — | — | — | — | — |
| Sun hours/day | 3.9 | 4.9 | 6.3 | 8.1 | 10.1 | 11.8 | 12.4 | 11.1 | 8.5 | 6.5 | 4.4 | 3.8 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 13 | 13 | 11 | 102 | 3.9 |
| Feb | 13 | 13 | 11 | 82 | 4.9 |
| Mar | 14 | 14 | 12 | 74 | 6.3 |
| Apr | 16 | 16 | 14 | 57 | 8.1 |
| May | 20 | 20 | 18 | 41 | 10.1 |
| Jun | 24 | 24 | 22 | 30 | 11.8 |
| Jul | 26 | 26 | 24 | 21 | 12.4 |
| Aug | 27 | 27 | 25 | 24 | 11.1 |
| Sep | 24 | 24 | 22 | 77 | 8.5 |
| Oct | 22 | 22 | 19 | 88 | 6.5 |
| Nov | 18 | 18 | 16 | 130 | 4.4 |
| Dec | 15 | 15 | 13 | 101 | 3.8 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (20 m) with the standard lapse rate. Not a forecast.
Photographs
Inside and around.
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q605185) · 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.






