The deepest known cave—measured from its highest entrance to its lowest point—is Veryovkina Cave in Abkhazia, Georgia, with a depth of . This was the first cave to be explored to a depth of more than .
The deepest known cave, measured from its highest opening to its lowest point, is Veryovkina Cave in Abkhazia, Georgia. It has a depth of , making it the first cave ever explored to such a profound depth.