Vietnam Show cave
Thien Duong Cave
24 °C inside, all year.
[Tycho] , http://shansov.net · CC BY-SA 3.0
The descent
The entrance, at 253 m.
The real relief above Thien Duong 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.
253m
Entrance altitude
from the 30 m relief model
24°C
Inside, all year
the yearly average outside, at the entrance
293m
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 May 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 March to October.
- 23°15°Jan
- 25°16°Feb
- 28°18°Mar
- 32°21°Apr
- 32°23°May
- 31°24°Jun
- 31°24°Jul
- 30°23°Aug
- 29°23°Sep
- 27°21°Oct
- 26°19°Nov
- 23°16°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
Thien Duong Cave is a show cave in Vietnam. The entrance is at 253 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.
- Xuân Sơnnearest town · 15 km in a straight line
- Parking 1,370 m awaynearest car park in OpenStreetMap, straight line
- Dong Hoi Airport (VDH)nearest airport with scheduled flights · 39 km in a straight lineCar hire in Nakhon PhanomDiscover 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 kmĐộng Thiên Đường, mini free cave
- 1car parks within 2 km
- 4information boards and visitor centres within 3 km
- 3campsites within 8 kmBức tường Việt Nam, Oxalis Hang Va Camp
- 2restaurants 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
- bus stops within 2 km
- hotels and guesthouses 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
- Xuân Sơn15 km in a straight line
In our other atlases
What else is around Thien Duong 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 | 23 | 25 | 28 | 32 | 32 | 31 | 31 | 30 | 29 | 27 | 26 | 23 |
| Afternoon | 23 | 25 | 28 | 32 | 32 | 31 | 31 | 30 | 29 | 27 | 26 | 23 |
| Night | 15 | 16 | 18 | 21 | 23 | 24 | 24 | 23 | 23 | 21 | 19 | 16 |
| Rain (mm) | 36 | 23 | 41 | 60 | 122 | 111 | 192 | 233 | 345 | 379 | 140 | 79 |
| Rainy days | 8 | 6 | 8 | 10 | 18 | 19 | 21 | 24 | 23 | 21 | 16 | 12 |
| Sun hours/day | 1.8 | 3.0 | 3.2 | 4.8 | 6.4 | 6.4 | 5.8 | 5.1 | 4.4 | 3.0 | 2.3 | 1.0 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 23 | 23 | 15 | 36 | 1.8 |
| Feb | 25 | 25 | 16 | 23 | 3.0 |
| Mar | 28 | 28 | 18 | 41 | 3.2 |
| Apr | 32 | 32 | 21 | 60 | 4.8 |
| May | 32 | 32 | 23 | 122 | 6.4 |
| Jun | 31 | 31 | 24 | 111 | 6.4 |
| Jul | 31 | 31 | 24 | 192 | 5.8 |
| Aug | 30 | 30 | 23 | 233 | 5.1 |
| Sep | 29 | 29 | 23 | 345 | 4.4 |
| Oct | 27 | 27 | 21 | 379 | 3.0 |
| Nov | 26 | 26 | 19 | 140 | 2.3 |
| Dec | 23 | 23 | 16 | 79 | 1.0 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (253 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 | 225% | 197% | 177% | 135% | 83% | 29% | 35% | 135% | 60% | 415% | 225% | 145% |
| 2021 | 98% | 181% | 125% | 271% | 58% | 248% | 156% | 37% | 227% | 241% | 100% | 128% |
| 2022 | 109% | 271% | 243% | 274% | 172% | 72% | 126% | 90% | 161% | 146% | 198% | 180% |
| 2023 | 151% | 140% | 77% | 94% | 89% | 84% | 78% | 66% | 108% | 196% | 193% | 342% |
| 2024 | 231% | 76% | 136% | 12% | 165% | 100% | 77% | 35% | 193% | 166% | 231% | 164% |
| 2025 | 128% | 290% | 126% | 144% | 134% | 378% | 99% | 257% | 127% | 173% | 329% | 128% |
130% or more: wet month 70% or less: dry month
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q43171) · 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.



