Australia Show cave
Blanche Cave
15 °C inside, all year.
Christophe Delaere · CC BY 2.0
The descent
The entrance, at 86 m.
The real relief above Blanche 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.
86m
Entrance altitude
published (Wikidata)
15°C
Inside, all year
the yearly average outside, at the entrance
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 January the afternoon reaches 30 °C at the entrance, 15 °C warmer than inside: take a jacket. The best months to escape the heat are from December to February.
- 30°13°Jan
- 29°13°Feb
- 26°12°Mar
- 21°9°Apr
- 17°7°May
- 14°5°Jun
- 13°5°Jul
- 14°5°Aug
- 16°6°Sep
- 20°7°Oct
- 24°10°Nov
- 27°11°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 South Australia
Blanche Cave is a show cave in Australia. The entrance is at 86 m. It has stalactites and stalagmites. It is open to visitors. It lies within Naracoorte Caves National Park.
Getting there.
- Show cave: open to visitorsUsually with a guided tour; check times and tickets on the official site.
- Naracoortenearest town · 9.9 km in a straight line
- Parking 260 m awaynearest car park in OpenStreetMap, straight line
- Mount Gambier Airport (MGB)nearest airport with scheduled flights · 79 km in a straight lineCar hire in Mount GambierDiscover 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.
- 6other cave entrances within 3 kmVictoria Fossil Cave, Bat Cave, Alexandra Cave and 3 more
- 4car parks within 2 km
- 2campsites within 8 kmBool Lagoon Camping Area, Wirreandi Campground Naracoorte
- 2hotels and guesthouses within 8 kmWirreanda Bunkhouse, Cave Park Cabins
- 1restaurants and cafés within 3 km
- 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
- information boards and visitor centres within 3 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
- Naracoorte9.9 km in a straight line
Month by month
The weather outside, at the entrance.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon | 30 | 29 | 26 | 21 | 17 | 14 | 13 | 14 | 16 | 20 | 24 | 27 |
| Afternoon | 30 | 29 | 26 | 21 | 17 | 14 | 13 | 14 | 16 | 20 | 24 | 27 |
| Night | 13 | 13 | 12 | 9 | 7 | 5 | 5 | 5 | 6 | 7 | 10 | 11 |
| Rain (mm) | 23 | 17 | 28 | 31 | 48 | 65 | 68 | 66 | 46 | 32 | 28 | 29 |
| Rainy days | 3 | 3 | 5 | 6 | 10 | 13 | 14 | 14 | 11 | 7 | 5 | 5 |
| Sun hours/day | 11.2 | 10.2 | 8.8 | 7.1 | 5.4 | 5.0 | 5.0 | 6.0 | 7.1 | 8.4 | 9.5 | 10.5 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 30 | 30 | 13 | 23 | 11.2 |
| Feb | 29 | 29 | 13 | 17 | 10.2 |
| Mar | 26 | 26 | 12 | 28 | 8.8 |
| Apr | 21 | 21 | 9 | 31 | 7.1 |
| May | 17 | 17 | 7 | 48 | 5.4 |
| Jun | 14 | 14 | 5 | 65 | 5.0 |
| Jul | 13 | 13 | 5 | 68 | 5.0 |
| Aug | 14 | 14 | 5 | 66 | 6.0 |
| Sep | 16 | 16 | 6 | 46 | 7.1 |
| Oct | 20 | 20 | 7 | 32 | 8.4 |
| Nov | 24 | 24 | 10 | 28 | 9.5 |
| Dec | 27 | 27 | 11 | 29 | 10.5 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (86 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 | 146% | 155% | 364% | 125% | 127% | 61% | 32% | 61% | 96% | 281% | 96% | 132% |
| 2021 | 187% | 55% | 93% | 48% | 33% | 85% | 122% | 39% | 43% | 159% | 109% | 14% |
| 2022 | 130% | 99% | 66% | 43% | 95% | 76% | 35% | 102% | 101% | 381% | 281% | 99% |
| 2023 | 67% | 122% | 107% | 106% | 63% | 123% | 48% | 33% | 45% | 76% | 167% | 131% |
| 2024 | 246% | 17% | 44% | 78% | 23% | 43% | 60% | 55% | 80% | 79% | 172% | 93% |
| 2025 | 26% | 57% | 82% | 43% | 37% | 84% | 111% | 57% | 73% | 143% | 116% | 74% |
130% or more: wet month 70% or less: dry month
Caves nearby.
Blanche Cave
Australia
- —Depth
- —Galleries
- 86 mEntrance altitude
- 15 °CInside, all year
Princess Margaret Rose Cave
Australia · 108 km
- —Depth
- —Galleries
- 23 mEntrance altitude
- 15 °CInside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q4088007) · 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 |
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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