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Tu Lan Caves System

Vietnam Vietnam Show cave

Tú Làn Caves System

25 °C inside, all year.

Show caveStalactitesCave system

See the descentHow to visit

Bbbaongoc · CC BY-SA 4.0

The descent

The entrance, at 83 m.

The real relief above Tú Làn Caves System, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.

depth not publishedEntrance507 m1.0 kmvertical × 5.2depth not publishedEntrance507 m1.0 kmvertical × 11.2

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.

83m

Entrance altitude

from the 30 m relief model

25°C

Inside, all year

the yearly average outside, at the entrance

343m

Rock above

the highest point within 1.5 km

Inside and outside

25 °C inside, all year.

Deep inside, a cave keeps the average temperature of the year outside: about 25 °C here, in January and in August. In June the afternoon reaches 32 °C at the entrance, 7 °C warmer than inside: take a jacket. The best months to escape the heat are from March to October.

outside, at the entrance (83 m)inside
  1. 22°17°Jan
  2. 24°17°Feb
  3. 27°20°Mar
  4. 30°22°Apr
  5. 32°25°May
  6. 32°26°Jun
  7. 32°26°Jul
  8. 31°26°Aug
  9. 30°25°Sep
  10. 28°24°Oct
  11. 26°21°Nov
  12. 23°18°Dec
Inside: 25 °C all yearEscape the heat: Mar–OctWettest: Aug–Oct

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 system in Vietnam

Tú Làn Caves System is a show cave in Vietnam. The entrance is at 83 m. It has stalactites and stalagmites and several entrances and long galleries. It is open to visitors.

Read more on Wikipedia

Getting there.

  • Show cave: open to visitorsUsually with a guided tour; check times and tickets on the official site.
  • Quy Đạtnearest town · 16 km in a straight line
  • Dong Hoi Airport (VDH)nearest airport with scheduled flights · 57 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.

The ground above Tú Làn Caves System (Sentinel-2) 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.

  • 1other cave entrances within 3 kmHang Ken Dry
  • 5campsites within 8 kmOxalis Ton Hoa Campsite and 4 more
  • 2hotels and guesthouses within 8 kmTú Làn Lodge
  • 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
  • car parks within 2 km
  • information boards and visitor centres within 3 km
  • bus stops within 2 km
  • restaurants and cafés 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).

Towns nearby

  • Quy Đạt16 km in a straight line
  • Đồng Lê17 km in a straight line

In our other atlases

What else is around Tú Làn Caves System.

The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.

Peakyas3 mountains within 10 km
Mai Nay · 4.5 kmĐé Voi · 4.7 kmĐồng Tâm · 6.1 km

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.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon222427303232323130282623
Afternoon222427303232323130282623
Night171720222526262625242118
Rain (mm)4126455512410018823338343613585
Rainy days979111918202423211512
Sun hours/day1.22.12.24.67.07.46.96.04.73.92.90.9
AfternoonAfternoonNightRain (mm)Sun hours/day
Jan222217411.2
Feb242417262.1
Mar272720452.2
Apr303022554.6
May3232251247.0
Jun3232261007.4
Jul3232261886.9
Aug3131262336.0
Sep3030253834.7
Oct2828244363.9
Nov2626211352.9
Dec232318850.9

Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (83 m) with the standard lapse rate. Not a forecast.

Photographs

Inside and around.

Climb up rocky hill to a small jungle opening
Bbbaongoc · CC BY-SA 4.0
Hang Kim cave
Chau-oxalis · CC BY-SA 4.0

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.

JanFebMarAprMayJunJulAugSepOctNovDec
2020357%293%257%202%120%33%27%149%71%491%208%172%
2021102%199%125%339%77%306%180%43%181%244%122%117%
2022120%346%204%301%214%73%126%100%176%115%270%158%
2023153%97%83%98%91%111%99%68%117%198%235%358%
2024278%107%196%23%165%153%104%41%233%144%257%148%
202597%344%133%249%162%339%135%415%164%156%381%119%

130% or more: wet month 70% or less: dry month

Caves nearby.

Tú Làn Caves System

Vietnam

  • —Depth
  • —Galleries
  • 83 mEntrance altitude
  • 25 °CInside, all year

Thien Duong Cave

Vietnam · 29 km

  • —Depth
  • —Galleries
  • 253 mEntrance altitude
  • 24 °CInside, all year

See the guide

Son Doong Cave

Vietnam · 38 km

  • —Depth
  • —Galleries
  • 390 mEntrance altitude
  • 23 °CInside, all year

See the guide

Phong Nha Cave

Vietnam · 26 km

  • —Depth
  • —Galleries
  • 3 mEntrance altitude
  • 26 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitorsWikidata (Q28197238) · CC0
The relief above, the entrance altitude, the section and the 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
ClimateNASA POWER, 1991–2020
Entrances, springs, sinkholes, opening hours and what is around© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Rivers, waterfalls, lakes, mountains, canyons, beaches and islands nearbyCoastya, 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.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Visit mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit
cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.You are here
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit
viewpointsViewyasEvery viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit
birdwatchingBirdyasEvery bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Coming soonVisit
forestsForestyaEvery forest with its land-cover rings, what grows and lives in it, and the best months to walk it.Coming soonVisit