Vietnam Liftold ( thảo luận ) · CC BY-SA 3.0
The descent
The entrance, at 4 m.
The real relief above Tam Cốc-Bích Động, 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.
4m
Entrance altitude
from the 30 m relief model
24°C
Inside, all year
the yearly average outside, at the entrance
159m
Rock above
the highest point within 1.5 km
Inside and outside
24 °C inside, all year.
Deep inside, a cave keeps the average temperature of the year outside: about 24 °C here, in January and in August. In June the afternoon reaches 32 °C at the entrance, 8 °C warmer than inside: take a jacket. The best months to escape the heat are from April to October.
- 21°13°Jan
- 24°15°Feb
- 27°18°Mar
- 30°21°Apr
- 32°24°May
- 32°26°Jun
- 32°26°Jul
- 31°26°Aug
- 30°24°Sep
- 28°22°Oct
- 25°18°Nov
- 22°14°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.
Getting there.
- Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
- Tam Điệpnearest town · 6.9 km in a straight line
- Viewpointsnearest viewpoint · 0.4 km from the entrance
- Cat Bi International Airport (HPH)nearest airport with scheduled flights · 107 km in a straight line
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.
- 28other cave entrances within 3 kmThien Huống Dong, Buddha Cave, Tien Grotto and 25 more
- 17viewpoints within 3 kmScenic Viewpoint and 16 more
- 7car parks within 2 km
- 2information boards and visitor centres within 3 km
- 2bus stops within 2 km
- 279hotels and guesthouses within 8 kmKinh Do Hotel, Thanh Binh, New Queen Mini Hotel and 276 more
- 150restaurants 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
- climbing crags within 3 km
- named waterfalls within 4 km
- campsites within 8 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
- Tam Điệp6.9 km in a straight line
- Hoa Lư8.0 km in a straight line
- Thiên Tồn9.7 km in a straight line
- Yên Thịnh11 km in a straight line
- Yên Ninh16 km in a straight line
- Hanoi16 km in a straight line
- Me16 km in a straight line
- Bỉm Sơn17 km in a straight line
In our other atlases
What else is around Tam Cốc-Bích Động.
The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.
Lakeyas1 lakes within 10 km
Peakyas1 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 | 21 | 24 | 27 | 30 | 32 | 32 | 32 | 31 | 30 | 28 | 25 | 22 |
| Afternoon | 21 | 24 | 27 | 30 | 32 | 32 | 32 | 31 | 30 | 28 | 25 | 22 |
| Night | 13 | 15 | 18 | 21 | 24 | 26 | 26 | 26 | 24 | 22 | 18 | 14 |
| Rain (mm) | 29 | 18 | 45 | 64 | 162 | 144 | 243 | 300 | 309 | 203 | 65 | 30 |
| Rainy days | 5 | 5 | 9 | 10 | 17 | 17 | 19 | 22 | 19 | 15 | 8 | 5 |
| Sun hours/day | 1.7 | 2.0 | 1.8 | 3.4 | 5.6 | 6.0 | 5.3 | 4.6 | 4.6 | 3.9 | 4.0 | 2.7 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 21 | 21 | 13 | 29 | 1.7 |
| Feb | 24 | 24 | 15 | 18 | 2.0 |
| Mar | 27 | 27 | 18 | 45 | 1.8 |
| Apr | 30 | 30 | 21 | 64 | 3.4 |
| May | 32 | 32 | 24 | 162 | 5.6 |
| Jun | 32 | 32 | 26 | 144 | 6.0 |
| Jul | 32 | 32 | 26 | 243 | 5.3 |
| Aug | 31 | 31 | 26 | 300 | 4.6 |
| Sep | 30 | 30 | 24 | 309 | 4.6 |
| Oct | 28 | 28 | 22 | 203 | 3.9 |
| Nov | 25 | 25 | 18 | 65 | 4.0 |
| Dec | 22 | 22 | 14 | 30 | 2.7 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (4 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 | 214% | 129% | 209% | 190% | 61% | 35% | 33% | 130% | 91% | 238% | 99% | 43% |
| 2021 | 13% | 234% | 75% | 217% | 86% | 151% | 123% | 47% | 168% | 201% | 65% | 45% |
| 2022 | 172% | 1,014% | 151% | 99% | 118% | 86% | 122% | 102% | 157% | 80% | 283% | 44% |
| 2023 | 87% | 146% | 57% | 72% | 50% | 125% | 67% | 70% | 119% | 123% | 91% | 98% |
| 2024 | 170% | 87% | 99% | 48% | 151% | 155% | 132% | 60% | 194% | 76% | 54% | 34% |
| 2025 | 18% | 173% | 68% | 117% | 111% | 194% | 167% | 166% | 123% | 133% | 136% | 146% |
130% or more: wet month 70% or less: dry month
Caves nearby.
Tam Cốc-Bích Động
Vietnam
- —Depth
- —Galleries
- 4 mEntrance altitude
- 24 °CInside, all year
Sung Sot Cave
Vietnam · 141 km
- —Depth
- —Galleries
- 19 mEntrance altitude
- 24 °CInside, all year
Tam Pa Ling Cave
Laos · 262 km
- —Depth
- —Galleries
- 1,079 mEntrance altitude
- 21 °CInside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q1406000) · 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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