The Black Avenue, discovered in 1956, is a well 50 m wide, 80 m deep, one of the largest verticals, which flows into an underground river.
Acecessible from this hiking trail:

Negru vertical cave, Izvorul rece , Photo: Tőrös Víg Csaba

Negru vertical cave, Izvorul rece , Photo: Tőrös Víg Csaba

Negru vertical cave, Izvorul rece , Photo: Espeleo Cincuenta

Negru vertical cave, Izvorul rece , Photo: Espeleo Cincuenta

Negru vertical cave, Izvorul rece , Photo: Espeleo Cincuenta

Negru vertical cave, Izvorul rece , Photo: Costin Ionescu

Negru vertical cave, Izvorul rece , Photo: Espeleo Cincuenta

Negru vertical cave, Izvorul rece , Photo: Costin Ionescu
Source: welcometoromania.ro
GPS: 46.55977N, 22.79585E
Map type