Turkey Sentinel-2 cloudless 2016 by EOX IT Services GmbH (contains modified Copernicus Sentinel data), CC BY 4.0, with relief shading from Copernicus WorldDEM-30
The descent
The entrance, at 266 m.
The real relief above Ayvaini Cave, 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.
266m
Entrance altitude
from the 30 m relief model
15°C
Inside, all year
the yearly average outside, at the entrance
232m
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 32 °C at the entrance, 17 °C warmer than inside: take a jacket. The best months to escape the heat are from June to September.
- 9°0°Jan
- 11°2°Feb
- 14°4°Mar
- 19°7°Apr
- 24°12°May
- 28°16°Jun
- 32°18°Jul
- 32°19°Aug
- 28°15°Sep
- 22°11°Oct
- 16°6°Nov
- 10°2°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 Nilüfer, Bursa, Turkey
Ayvaini Cave is a cave in Turkey. The entrance is at 266 m.
Getting there.
- Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
- Söğütalannearest town · 14 km in a straight line
- Bursa Yenişehir Airport (YEI)nearest airport with scheduled flights · 74 km in a straight lineCar hire at ISL airport (Istanbul)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.
- 2other cave entrances within 3 kmAyvaini Mağarası
- 1hotels and guesthouses within 8 kmFaik Bey Konağı
- springs within 2 km
- sinkholes within 3 km
- caving clubs and spots within 15 km
- viewpoints within 3 km
- marked hiking routes within 3 km
- climbing crags within 3 km
- named waterfalls within 4 km
- car parks within 2 km
- information boards and visitor centres within 3 km
- bus stops within 2 km
- campsites within 8 km
- restaurants and cafés within 3 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
- Söğütalan14 km in a straight line
- Görükle16 km in a straight line
- Yaylacık17 km in a straight line
- Çalı19 km in a straight line
- Nilüfer20 km in a straight line
- Çaltılıbük21 km in a straight line
- Karıncalı22 km in a straight line
- Ormankadı22 km in a straight line
In our other atlases
What else is around Ayvaini Cave.
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 | 9 | 11 | 14 | 19 | 24 | 28 | 32 | 32 | 28 | 22 | 16 | 10 |
| Afternoon | 9 | 11 | 14 | 19 | 24 | 28 | 32 | 32 | 28 | 22 | 16 | 10 |
| Night | 0 | 2 | 4 | 7 | 12 | 16 | 18 | 19 | 15 | 11 | 6 | 2 |
| Rain (mm) | 84 | 71 | 60 | 51 | 44 | 40 | 14 | 13 | 46 | 67 | 61 | 90 |
| Rainy days | 12 | 11 | 10 | 10 | 8 | 7 | 3 | 3 | 6 | 9 | 9 | 12 |
| Sun hours/day | 2.5 | 3.3 | 5.0 | 7.1 | 9.2 | 11.0 | 11.9 | 10.6 | 8.0 | 5.4 | 3.9 | 2.5 |
| Snow on the ground (cm) | 10 | 9 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 9 | 9 | 0 | 84 | 2.5 |
| Feb | 11 | 11 | 2 | 71 | 3.3 |
| Mar | 14 | 14 | 4 | 60 | 5.0 |
| Apr | 19 | 19 | 7 | 51 | 7.1 |
| May | 24 | 24 | 12 | 44 | 9.2 |
| Jun | 28 | 28 | 16 | 40 | 11.0 |
| Jul | 32 | 32 | 18 | 14 | 11.9 |
| Aug | 32 | 32 | 19 | 13 | 10.6 |
| Sep | 28 | 28 | 15 | 46 | 8.0 |
| Oct | 22 | 22 | 11 | 67 | 5.4 |
| Nov | 16 | 16 | 6 | 61 | 3.9 |
| Dec | 10 | 10 | 2 | 90 | 2.5 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (266 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 | 101% | 119% | 83% | 71% | 148% | 176% | 24% | 26% | 35% | 94% | 43% | 32% |
| 2021 | 244% | 94% | 169% | 117% | 83% | 151% | 138% | 22% | 34% | 68% | 96% | 102% |
| 2022 | 67% | 159% | 71% | 74% | 47% | 154% | 225% | 422% | 35% | 29% | 47% | 43% |
| 2023 | 43% | 79% | 155% | 197% | 124% | 108% | 87% | 33% | 32% | 56% | 362% | 80% |
| 2024 | 156% | 36% | 105% | 55% | 95% | 3% | 282% | 24% | 92% | 19% | 153% | 124% |
| 2025 | 93% | 75% | 62% | 75% | 96% | 1% | 0% | 55% | 41% | 129% | 79% | 76% |
130% or more: wet month 70% or less: dry month
Caves nearby.
Ayvaini Cave
Turkey
- —Depth
- —Galleries
- 266 mEntrance altitude
- 15 °CInside, all year
Yarımburgaz Cave
Turkey · 106 km
- —Depth
- 0.5 kmGalleries
- 19 mEntrance altitude
- 16 °CInside, all year
Cave monastery of İnceğiz
Turkey · 120 km
- —Depth
- —Galleries
- 69 mEntrance altitude
- 15 °CInside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q2975410) · 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?
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