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Вхід у печеру Оптимістична (2)

UkrainePoland Ukraine / Poland Cave

Optymistychna Cave

20 m deep, 265 km of galleries.

Cave system

See the descentHow to visit

Педагог Світлана · CC BY-SA 4.0

The descent

20 metres down, to scale.

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

−20 mEntrance331 m1.0 kmvertical × 37.1−20 mEntrance331 m1.0 kmvertical × 80.4

a two-storey house (9 m) would fit upside down 2.2 times.

The depth is the one published by those who explored it; the shape of the galleries is a sketch, not a survey.

20m

Depth

published (Wikidata)

265km

Galleries

surveyed length (Wikidata)

276m

Entrance altitude

from the 30 m relief model

9°C

Inside, all year

the yearly average outside, at the entrance

56m

Rock above

the highest point within 1.5 km

Inside and outside

9 °C inside, all year.

Deep inside, a cave keeps the average temperature of the year outside: about 9 °C here, in January and in August. In August the afternoon reaches 27 °C at the entrance, 18 °C warmer than inside: take a jacket.

outside, at the entrance (276 m)inside
  1. -1°-8°Jan
  2. 1°-7°Feb
  3. 8°-2°Mar
  4. 15°3°Apr
  5. 21°9°May
  6. 24°14°Jun
  7. 26°15°Jul
  8. 27°15°Aug
  9. 21°10°Sep
  10. 14°4°Oct
  11. 7°-1°Nov
  12. 1°-6°Dec
Inside: 9 °C all yearFrost outside: Dec–MarWettest: May–Jul

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.

Gypsum cave in Ukraine

Optymistychna Cave is a cave in Ukraine. It goes down 20 m below the entrance and has 265 km of surveyed galleries. The entrance is at 276 m. It has several entrances and long galleries.

Read more on Wikipedia

Getting there.

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 Optymistychna 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 kmГеологічна пам'ятка природи "Печера "Оптимістична"
  • 2hotels and guesthouses within 8 kmСпелеобаза "Печера Оптимістична", Гостинний Двір
  • 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
  • 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
  • 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

  • Bilche-Zolote8.4 km in a straight line
  • Borshchiv8.7 km in a straight line
  • Repuzhyntsi16 km in a straight line
  • Vasyliv17 km in a straight line
  • Doroshivtsi17 km in a straight line
  • Vikno18 km in a straight line
  • Chunkiv20 km in a straight line
  • Melnytsya-Podilska20 km in a straight line

Month by month

The weather outside, at the entrance.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon-1181521242627211471
Afternoon-1181521242627211471
Night-8-7-239141515104-1-6
Rain (mm)333644487596906350503936
Rainy days881010131413109889
Sun hours/day1.93.24.96.88.18.68.78.46.24.11.41.2
Snow on the ground (cm)1817102000002817
AfternoonAfternoonNightRain (mm)Sun hours/day
Jan-1-1-8331.9
Feb11-7363.2
Mar88-2444.9
Apr15153486.8
May21219758.1
Jun242414968.6
Jul262615908.7
Aug272715638.4
Sep212110506.2
Oct14144504.1
Nov77-1391.4
Dec11-6361.2

Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (276 m) with the standard lapse rate. Not a forecast.

Photographs

Inside and around.

Optymistychna Cave RB
Rbrechko · CC BY-SA 4.0
61-208-5039 Optimistychna Cave RB 18
Rbrechko · CC BY-SA 4.0
Біля входу в печеру оптимістична
Zysko serhii · 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
202039%151%81%47%136%127%98%39%156%151%36%144%
202191%150%134%84%127%92%105%130%61%7%42%260%
202282%53%20%99%36%42%76%109%198%52%211%104%
202376%140%67%230%34%76%82%105%68%85%131%104%
2024145%118%86%150%45%74%86%61%249%57%99%140%
202553%19%69%94%220%19%165%48%203%139%101%75%

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

Caves nearby.

Optymistychna Cave

Ukraine

  • 20 mDepth
  • 265 kmGalleries
  • 276 mEntrance altitude
  • 9 °CInside, all year

Priest's Grotto

Ukraine · 4 km

  • —Depth
  • —Galleries
  • 212 mEntrance altitude
  • 9 °CInside, all year

See the guide

Verteba

Ukraine · 10 km

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

See the guide

Crystal Cave

Ukraine · 10 km

  • —Depth
  • —Galleries
  • 179 mEntrance altitude
  • 9 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitorsWikidata (Q1641035) · 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

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

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