Abismo Guy Collet
The Abismo Guy Collet (SP-090) is the deepest cave in South America, and the deepest in the world that is formed in quartzite. Located in a tepui in northern Brazil near the border with Venezuela, this cave was first explored by cavers in 2006 to a depth of 671 meters.
Mount Paraw
Paraw cave or Ghar Parau is located in 3050 meter above sea level which is the highest cave in the world and well known as Everest of world caves. this cave has 751 meter depth and with D5 degree of difficulty recognized as one of hardest caves to caving. The British caving team which discovered the cave named their group Ghar Parau foundation. Five professional cavers have lost their lives in this cave.