Lamprechtsofen was the deepest known cave on Earth for about 3 years

Lamprechtsofen is a limestone karst river cave in Austria. With a depth of 1,632 m (5,354 ft), it is one of the deepest caves in the world. Before the discovery of the Krubera Cave in Georgia, it was the deepest known cave in the world. Lamprechtsofen is located 2 km (1.2 mi) northwest of Weißbach bei Lofer (Salzburg), Austria, in the Leogang Mountains

The cave has been known for centuries. In 1701 it was walled up to prevent the intrusion of treasure seekers, who were lured to the cave by legends of wealth hidden by a knight named Lamprecht after the Crusades.

In 1905, several human skeletons were found in the cave, probably the remains of treasure hunters. At the same time, a 600-metre (2,000 ft) portion of the cave was opened to the public as a show cave

Exploration and depth record

On August 19, 1998, a team lead by Polish caver Andrzej Ciszewski discovered a connection between Lamprechtsofen and the PL-2 cave system, which established the height difference of the united cave system as 1,632 m (5,354 ft). This new discovery made Lamprechtsofen the deepest known cave in the world for less than three years, since Krubera was discovered in June 2001 to be 2,197 metres (7,208 ft) deep.

As of 2014, Lamprechtsofen is the fourth deepest cave in the world, since two more Georgian caves have since been discovered to be deeper. Sarma Cave is 1,830 m (6,000 ft) and Illyuzia-Mezhonnogo-Snezhnaya Cave is 1,753 m (5,751 ft).