Stygian Grotto

Stygian Grotto is a private, non-profit organization located in St Peters, Missouri. Founded in 1980, we are an affiliate organization with the Missouri Speleological Survey, Missouri Cave and Karst Conservancy , the National Speleological Society and Missouri Stream Teams. Our purpose is to explore, research, educate and conserve the flora and fauna of the streams, springs and caves in the Mississippi Valley Ozark Region.


Take nothing but pictures, leave nothing but foot prints, kill nothing but time