Optymistychna Cave

Optymistychna (Ukrainian: Оптимістична: meaning "optimistic") is a gypsum cave located near the Ukrainian village of Korolivka, Borshchiv Raion, Ternopil Oblast. As of 2005, it has 230 km of mapped passageways and is the longest cave in Eurasia and the fifth-longest cave in the world, after Mammoth Cave, Sistema Sac Actun, Jewel Cave and Sistema Ox Bel Ha. It is also the longest gypsum cave in the world. In 2008 the cave won the special nomination as a Natural Wonder of Ukraine.

Optymistychna Cave

Optymistychna (Ukrainian: Оптимістична: meaning "optimistic") is a gypsum cave located near the Ukrainian village of Korolivka, Borshchiv Raion, Ternopil Oblast. As of 2005, it has 230 km of mapped passageways and is the longest cave in Eurasia and the fifth-longest cave in the world, after Mammoth Cave, Sistema Sac Actun, Jewel Cave and Sistema Ox Bel Ha. It is also the longest gypsum cave in the world. In 2008 the cave won the special nomination as a Natural Wonder of Ukraine.