[3] Joujar Cave has been reported as the second deepest, at 568 m deep.
[1] The cave was explored to a depth of 742 m when the expedition was forced to return to the surface.
[1] The explorers believed that the cave might go on much further, possibly surpassing the Gouffre de la Pierre-Saint-Martin system, which at that time was the world's deepest known cave.
[4] The team returned the following year and passed their previous limit, but to their great disappointment, the cave sumped almost immediately at a depth of 751 m and could be explored no further.
[1] To be "Ghar Paraued" became a term used in British caving for a small, disappointing breakthrough following the great effort to discover new passage.