Name

Development, m

Country

Rock age

Optimisticheskaja

200000+

Ukraine

Neogene

Ozernaja

117000

Ukraine

Neogene

Zolushka

92000

Ukraine

Neogene

Mlynki

25000

Ukraine

Neogene

Kristalnaya

22000

Ukraine

Neogene

Kulogorskaja-1-2 - Troja

14100

Russia

Permian

Jester

11800

USA

Permian

Spipola-Aquafredda

10400

Italy

Neogene

Slavka

9100

Ukraine

Neogene

Agua, cueva de

8350

Spain

Neogene

Verteba

7820

Ukraine

Neogene

CaterMagara

7300

Syria

Neogene

Park's Ranch

6269

USA

Permian

Konstitutzionnaja

5880

Russia

Permian

Kungurskaya Ledjanaya

5600

Russia

Permian

Olimpijskaja

5500

Russia

Permian

Kumichevskaja

5000

Russia

Permian

Zolotoj Kljutchik

4380

Russia

Permian

Covadura

4245

Spain

Neogene

Crystal Caverns

3807

USA

Permian

Double Barrel

3724

USA

Permian

Scrooge

3700

USA

Permian

Umm al Masabih

3593

Libya

Jurassic

Leningradskaja

3400

Russia

Permian

Simfonia

3240

Russia

Permian

Pedro Fernandes

3204

Spain

Neogene

Pekhorovskaja

3180

Russia

Permian

Martin

3150

USA

Permian

Lomonosovskaja

3127

Russia

Permian

Carcass

2920

USA

Permian

Vodnaja

2900

Russia

Permian

Pinezhskaja Terehchenko

2600

Russia

Permian

Atlantida

2525

Ukraine

Neogene

Ingh. Ca' Siepe

2500

Italy

Neogene

Wimmelburger Schlotte

2840

Germany

Permian

Eras'kina 1-2

2500

Russia

Permian

10-years LSS

2450

Russia

Permian

Bukovinka

2408

Ukraine

Neogene

Hyaenenlabyrint

2310

Somaly

Paleogene

Severjanka

2300

Russia

Permian

Pekhorovskij Provai

2266

Russia

Permian

Kulogorskaja-5

2200

Russia

Permian

Geograficheskogo ob-va

2150

Russia

Permian

Ugryn'

2120

Ukraine

Neogene

Re Tiberio

2110

Italy

Neogene

Gostry Govdy

2000

Ukraine

Neogene