Taiwan Bernard Gagnon · CC BY-SA 3.0
The descent
The entrance, at 13 m.
The real relief above Bashian Caves, 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.
13m
Entrance altitude
from the 30 m relief model
26°C
Inside, all year
the yearly average outside, at the entrance
459m
Rock above
the highest point within 1.5 km
Inside and outside
26 °C inside, all year.
Deep inside, a cave keeps the average temperature of the year outside: about 26 °C here, in January and in August. In July the afternoon reaches 33 °C at the entrance, 8 °C warmer than inside: take a jacket. The best months to escape the heat are from March to November.
- 24°17°Jan
- 25°18°Feb
- 28°19°Mar
- 30°22°Apr
- 32°25°May
- 33°27°Jun
- 33°27°Jul
- 33°27°Aug
- 32°26°Sep
- 30°23°Oct
- 27°21°Nov
- 24°18°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 Changbin, Taitung County, Taiwan
Bashian Caves is a sea cave in Taiwan. The entrance is at 13 m. It has the sea at its mouth.
Getting there.
- Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
- Hualien Chiashan Airport (HUN)nearest airport with scheduled flights · 71 km in a straight lineCar hire in HualienDiscover 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.
- 4other cave entrances within 3 km潮音洞, 永安洞, 乾元洞 and 1 more
- 3marked hiking routes within 3 km南溪越嶺古道, 南澳古道, 千里步道花蓮海線
- 2car parks within 2 km
- 19bus stops within 2 km
- 1campsites within 8 km樟原派出所免費露營地
- 5hotels and guesthouses within 8 km余水之歡民宿, 馬格拉海民宿, 千禧山莊 and 2 more
- 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
- climbing crags within 3 km
- named waterfalls within 4 km
- information boards and visitor centres 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).
In our other atlases
What else is around Bashian Caves.
The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.
Peakyas17 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 | 24 | 25 | 28 | 30 | 32 | 33 | 33 | 33 | 32 | 30 | 27 | 24 |
| Afternoon | 24 | 25 | 28 | 30 | 32 | 33 | 33 | 33 | 32 | 30 | 27 | 24 |
| Night | 17 | 18 | 19 | 22 | 25 | 27 | 27 | 27 | 26 | 23 | 21 | 18 |
| Rain (mm) | 64 | 58 | 79 | 97 | 229 | 269 | 236 | 337 | 266 | 105 | 83 | 53 |
| Rainy days | 14 | 14 | 16 | 16 | 21 | 21 | 22 | 24 | 20 | 13 | 13 | 12 |
| Sun hours/day | 1.9 | 2.1 | 2.0 | 2.5 | 3.9 | 5.9 | 7.8 | 6.4 | 5.4 | 4.5 | 2.9 | 2.2 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 24 | 24 | 17 | 64 | 1.9 |
| Feb | 25 | 25 | 18 | 58 | 2.1 |
| Mar | 28 | 28 | 19 | 79 | 2.0 |
| Apr | 30 | 30 | 22 | 97 | 2.5 |
| May | 32 | 32 | 25 | 229 | 3.9 |
| Jun | 33 | 33 | 27 | 269 | 5.9 |
| Jul | 33 | 33 | 27 | 236 | 7.8 |
| Aug | 33 | 33 | 27 | 337 | 6.4 |
| Sep | 32 | 32 | 26 | 266 | 5.4 |
| Oct | 30 | 30 | 23 | 105 | 4.5 |
| Nov | 27 | 27 | 21 | 83 | 2.9 |
| Dec | 24 | 24 | 18 | 53 | 2.2 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (13 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 | 78% | 53% | 143% | 70% | 201% | 38% | 51% | 117% | 43% | 30% | 63% | 106% |
| 2021 | 25% | 77% | 45% | 39% | 38% | 170% | 110% | 143% | 39% | 202% | 58% | 92% |
| 2022 | 139% | 192% | 145% | 47% | 102% | 35% | 52% | 28% | 35% | 87% | 95% | 54% |
| 2023 | 44% | 41% | 38% | 81% | 49% | 67% | 56% | 86% | 81% | 69% | 10% | 58% |
| 2024 | 38% | 42% | 27% | 123% | 33% | 36% | 84% | 38% | 73% | 222% | 80% | 49% |
| 2025 | 59% | 123% | 149% | 156% | 93% | 83% | 302% | 62% | 53% | 141% | 198% | 162% |
130% or more: wet month 70% or less: dry month
Caves nearby.
Bashian Caves
Taiwan
- —Depth
- —Galleries
- 13 mEntrance altitude
- 26 °CInside, all year
Black Dwarf Cave
Taiwan · 165 km
- —Depth
- —Galleries
- 32 mEntrance altitude
- 26 °CInside, all year
Keelung Fairy Cave
Taiwan · 196 km
- —Depth
- —Galleries
- 10 mEntrance altitude
- 24 °CInside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q4866817) · 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 lake on Earth: water temperature, ice, depth and the shore.Visit mountains
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Every cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.You are here
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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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