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환선굴 (92)

South Korea South Korea Show cave

Hwanseon Cave

8 °C inside, all year.

Show caveStalactites

See the descentHow to visit

콩가루 · CC BY-SA 4.0

The descent

The entrance, at 712 m.

The real relief above Hwanseon Cave, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.

depth not publishedEntrance1,072 m1.0 kmvertical × 3.5depth not publishedEntrance1,072 m1.0 kmvertical × 7.7

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.

712m

Entrance altitude

from the 30 m relief model

8°C

Inside, all year

the yearly average outside, at the entrance

407m

Rock above

the highest point within 1.5 km

Inside and outside

8 °C inside, all year.

Deep inside, a cave keeps the average temperature of the year outside: about 8 °C here, in January and in August. In July the afternoon reaches 24 °C at the entrance, 17 °C warmer than inside: take a jacket.

outside, at the entrance (712 m)inside
  1. -3°-12°Jan
  2. 0°-9°Feb
  3. 6°-5°Mar
  4. 12°1°Apr
  5. 19°7°May
  6. 23°13°Jun
  7. 24°17°Jul
  8. 24°17°Aug
  9. 20°12°Sep
  10. 14°5°Oct
  11. 7°-2°Nov
  12. -1°-9°Dec
Inside: 8 °C all yearFrost outside: Dec–MarWettest: Jul–Sep

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 Korea

Hwanseon Cave is a show cave in South Korea. The entrance is at 712 m. It has stalactites and stalagmites. 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.
  • T’aebaeknearest town · 17 km in a straight line
  • Parking 1,280 m awaynearest car park in OpenStreetMap, straight line
  • Viewpointsnearest viewpoint · 0.3 km from the entrance
  • Yangyang International Airport (YNY)nearest airport with scheduled flights · 87 km in a straight lineCar hire at GMP airport (Seoul)Discover 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 Hwanseon Cave (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 km환선굴
  • 2springs within 2 km샘터
  • 2viewpoints within 3 km
  • 1marked hiking routes within 3 km백두대간
  • 5car parks within 2 km
  • 1bus stops within 2 km
  • 1campsites within 8 km두메관광농원캠핑장
  • 3hotels and guesthouses within 8 km궁전모텔, 무릉산장, 하늘연못펜션
  • 1restaurants and cafés within 3 km
  • sinkholes within 3 km
  • caving clubs and spots within 15 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).

Towns nearby

  • T’aebaek17 km in a straight line
  • Santyoku19 km in a straight line

In our other atlases

What else is around Hwanseon 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.

Lakeyas1 lakes within 10 km
Kwangdong-ho0.5 km² · 4.6 km
Peakyas9 mountains within 10 km
Deokhangsan1,071 m · 0.7 kmTokhang-san · 1.9 kmChigak-san · 4.1 kmWonsok-san · 5.5 kmKadok-san · 7.0 kmSuptwi-san · 7.0 kmChangbyong-san · 7.1 kmKandae-san · 8.1 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
Afternoon-306121923242420147-1
Afternoon-306121923242420147-1
Night-12-9-517131717125-2-9
Rain (mm)2940498377124321264184805827
Rainy days6688811181812785
Sun hours/day5.35.86.26.57.15.83.24.24.85.84.85.1
Snow on the ground (cm)1616112000000314
AfternoonAfternoonNightRain (mm)Sun hours/day
Jan-3-3-12295.3
Feb00-9405.8
Mar66-5496.2
Apr12121836.5
May19197777.1
Jun2323131245.8
Jul2424173213.2
Aug2424172644.2
Sep2020121844.8
Oct14145805.8
Nov77-2584.8
Dec-1-1-9275.1

Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (712 m) with the standard lapse rate. Not a forecast.

Photographs

Inside and around.

Hwanseongul monorail-환선굴 모노레일
User:콩가루 · CC BY-SA 4.0
Hwanseongul
José Carioca · CC BY-SA 4.0
환선굴 (1)
콩가루 · 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
2020311%154%54%50%129%115%149%133%201%7%48%12%
202136%14%212%118%207%62%48%111%90%143%62%77%
202214%10%185%68%16%184%68%113%59%158%88%11%
2023105%34%25%36%85%109%55%91%139%38%84%529%
2024106%290%120%56%126%91%102%40%189%167%61%31%
202555%9%175%74%115%77%49%30%153%383%30%82%

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

Caves nearby.

Hwanseon Cave

South Korea

  • —Depth
  • —Galleries
  • 712 mEntrance altitude
  • 8 °CInside, all year

Seongnyugul Cave

South Korea · 53 km

  • —Depth
  • —Galleries
  • 47 mEntrance altitude
  • 14 °CInside, all year

See the guide

Gosu Cave

South Korea · 67 km

  • —Depth
  • —Galleries
  • 157 mEntrance altitude
  • 11 °CInside, all year

See the guide

Gwangmyeong Cave

South Korea · 190 km

  • —Depth
  • —Galleries
  • 77 mEntrance altitude
  • 11 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitorsWikidata (Q10765372) · 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