Until 1983 Krubera – Voronya cave was known by the name of Sibirskaya. In the beginning of 80's the cave was explored to the depth of – 340 m and forgotten for almost three decades. In 1999 intensive explorations were restarted after the Ukrainian expedition found a new passage at the depth of – 230 m and reached the depth of – 700 m.
History of exploration:
2000 August: Team of Ukrainian cavers explored the cave down to – 1200 m.
2000 September: Ukrainian Speleogical Association (UkrSA) and MTDE teams continued the exploration down to – 1440 m.
2001 January: UkrSA and Cavex teams discovered two new passages which led to – 1710m.
2003 August: Cavex and Kiev Club team dived the sump at – 1410 m (also known as "Sump 1"), discovered new passages and reached the depth of – 1680 m.
2004 July: Cavex team continued the explorations in the new passage until they encountered a new sump at – 1775 m.
2004 August: UkrSA team discovered a side passage at – 1680 m which led to another sump at – 1840 m.
2004 October: UkrSA team continued the explorations down to – 2080 m. For the first time in the history of speleology this team crossed a line of – 2000 m.
2005 July: Cavex team dived the sump at the depth of – 1980 m and explored 160 m down. This led to the depth of – 2140 m.
2007 September: A member of UkrSA and an experienced caver Genadiy Samokhin dived 50 m into the sump “Two Captains” and reached – 2191 m, which is a current cave depth world record!
History of exploration:
2000 August: Team of Ukrainian cavers explored the cave down to – 1200 m.
2000 September: Ukrainian Speleogical Association (UkrSA) and MTDE teams continued the exploration down to – 1440 m.
2001 January: UkrSA and Cavex teams discovered two new passages which led to – 1710m.
2003 August: Cavex and Kiev Club team dived the sump at – 1410 m (also known as "Sump 1"), discovered new passages and reached the depth of – 1680 m.
2004 July: Cavex team continued the explorations in the new passage until they encountered a new sump at – 1775 m.
2004 August: UkrSA team discovered a side passage at – 1680 m which led to another sump at – 1840 m.
2004 October: UkrSA team continued the explorations down to – 2080 m. For the first time in the history of speleology this team crossed a line of – 2000 m.
2005 July: Cavex team dived the sump at the depth of – 1980 m and explored 160 m down. This led to the depth of – 2140 m.
2007 September: A member of UkrSA and an experienced caver Genadiy Samokhin dived 50 m into the sump “Two Captains” and reached – 2191 m, which is a current cave depth world record!
