Maganik project

Monte Negro, Maganik mountains – Trsteny vrh
– Nyx – 12th deepest vertical in the world
– Aither – huge meandritic cave in Trsteny mountain side
– Bear cave
– Niflheim – cave of Ice Giants
– IronDeep – now -1169m deep and more than 3000m long, first Czech cave deeper than 1 Kilometre

IronDeep - Meander of Penitent