Some nice pictures 
A collection of nice caving pictures
Belgian Caves Pictures of Belgian caves (some of them discovered by SC Avalon)
Big Cave Trips Trip to the bottom of a few -1000 m caves
Cave trips in France Caving in the South of France
Aragonite The beauty of aragonite
Exceptional formations Some pictures of special formations
Anialarra Pictures of Sierra the Anialarra (Pierre-St-Martin) where SC Avalon organizes cave expeditions since 1997.
Pictures made by Paul De Bie, Annette Van Houtte, Bart Saey, Rudi Bollaert, Patrick Géa, Patrice Dumoulin, Tjerk Dalhuisen, Ellen De Bie, Jack London, Stoche Bès, Eric Boyer, Mark Michiels
Pictures made by Paul De Bie, Annette Van Houtte, Bart Saey, Rudi Bollaert, Patrick Géa, Patrice Dumoulin, Tjerk Dalhuisen, Ellen De Bie, Jack London, Stoche Bès, Eric Boyer, Mark Michiels