Bulgaria Show cave
Prohodna Cave
3 m deep, 0.4 km of galleries.
Vassia Atanassova - Spiritia · Public domain
The descent
3 metres down, to scale.
The real relief above Prohodna Cave, 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)
0.4km
Galleries
surveyed length (Wikidata)
245m
Entrance altitude
from the 30 m relief model
13°C
Inside, all year
the yearly average outside, at the entrance
53m
Rock above
the highest point within 1.5 km
Inside and outside
13 °C inside, all year.
Deep inside, a cave keeps the average temperature of the year outside: about 13 °C here, in January and in August. In August the afternoon reaches 31 °C at the entrance, 18 °C warmer than inside: take a jacket. The best months to escape the heat are from June to August.
- 5°-4°Jan
- 7°-2°Feb
- 12°2°Mar
- 18°6°Apr
- 23°12°May
- 27°16°Jun
- 30°18°Jul
- 31°18°Aug
- 25°13°Sep
- 19°8°Oct
- 13°3°Nov
- 6°-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 Bulgaria
Prohodna Cave is a show cave in Bulgaria. It goes down 3 m below the entrance and has 0.4 km of surveyed galleries. The entrance is at 245 m. It has stalactites and stalagmites. It is open to visitors.
Getting there.
- Show cave: open to visitorsUsually with a guided tour; check times and tickets on the official site.
- Lukovitnearest town · 8.0 km in a straight line
- Parking 220 m awaynearest car park in OpenStreetMap, straight line
- Пещерен домnearest viewpoint · 0.5 km from the entrance
- Sofia Airport (SOF)nearest airport with scheduled flights · 75 km in a straight lineCar hire at SOF airport (Sofia)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.
- 32other cave entrances within 3 kmПроходна (изход), Проходна (вход), Банковица and 29 more
- 6viewpoints within 3 kmПещерен дом, Панорамна тераса, Провъртеника and 3 more
- 1climbing crags within 3 km
- 4car parks within 2 km
- 3information boards and visitor centres within 3 km
- 2campsites within 8 kmПоляна
- 9hotels and guesthouses within 8 kmПровъртеник, Diplomat Plaza Hotel & Resort, Guest House Kontrasti 3* and 6 more
- 2restaurants and cafés within 3 km
- springs within 2 km
- sinkholes within 3 km
- caving clubs and spots within 15 km
- marked hiking routes within 3 km
- named waterfalls within 4 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
- Lukovit8.0 km in a straight line
- Cherven Bryag12 km in a straight line
- Roman13 km in a straight line
- Yablanitsa17 km in a straight line
- Koynare20 km in a straight line
In our other atlases
What else is around Prohodna 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 | 5 | 7 | 12 | 18 | 23 | 27 | 30 | 31 | 25 | 19 | 13 | 6 |
| Afternoon | 5 | 7 | 12 | 18 | 23 | 27 | 30 | 31 | 25 | 19 | 13 | 6 |
| Night | -4 | -2 | 2 | 6 | 12 | 16 | 18 | 18 | 13 | 8 | 3 | -2 |
| Rain (mm) | 44 | 42 | 51 | 52 | 89 | 90 | 81 | 54 | 57 | 56 | 36 | 46 |
| Rainy days | 9 | 9 | 11 | 11 | 15 | 14 | 11 | 8 | 8 | 8 | 7 | 10 |
| Sun hours/day | 2.8 | 4.0 | 5.2 | 7.0 | 8.3 | 9.4 | 10.0 | 9.4 | 7.1 | 5.0 | 2.8 | 2.4 |
| Snow on the ground (cm) | 16 | 14 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 14 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 5 | 5 | -4 | 44 | 2.8 |
| Feb | 7 | 7 | -2 | 42 | 4.0 |
| Mar | 12 | 12 | 2 | 51 | 5.2 |
| Apr | 18 | 18 | 6 | 52 | 7.0 |
| May | 23 | 23 | 12 | 89 | 8.3 |
| Jun | 27 | 27 | 16 | 90 | 9.4 |
| Jul | 30 | 30 | 18 | 81 | 10.0 |
| Aug | 31 | 31 | 18 | 54 | 9.4 |
| Sep | 25 | 25 | 13 | 57 | 7.1 |
| Oct | 19 | 19 | 8 | 56 | 5.0 |
| Nov | 13 | 13 | 3 | 36 | 2.8 |
| Dec | 6 | 6 | -2 | 46 | 2.4 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (245 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 | 31% | 170% | 147% | 52% | 98% | 85% | 103% | 106% | 38% | 155% | 66% | 109% |
| 2021 | 221% | 52% | 175% | 130% | 80% | 92% | 37% | 70% | 43% | 176% | 90% | 232% |
| 2022 | 64% | 96% | 43% | 138% | 39% | 92% | 69% | 114% | 111% | 21% | 129% | 75% |
| 2023 | 157% | 68% | 59% | 151% | 124% | 136% | 46% | 55% | 63% | 8% | 312% | 80% |
| 2024 | 82% | 38% | 86% | 95% | 111% | 52% | 47% | 32% | 80% | 36% | 117% | 230% |
| 2025 | 15% | 33% | 73% | 110% | 117% | 21% | 30% | 48% | 23% | 280% | 211% | 109% |
130% or more: wet month 70% or less: dry month
Caves nearby.
Prohodna Cave
Bulgaria
- 3 mDepth
- 0.4 kmGalleries
- 245 mEntrance altitude
- 13 °CInside, all year
Saeva dupka cave
Bulgaria · 17 km
- 40 mDepth
- 0.2 kmGalleries
- 520 mEntrance altitude
- 11 °CInside, all year
Svirchovitsa
Bulgaria · 0 km
- 39 mDepth
- 0.2 kmGalleries
- 242 mEntrance altitude
- 13 °CInside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q3657889) · 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
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