• Key Information

  • Castleguard Cave

  • Type
    Cave
  • Depth
    1,260 ft
  • Length
    66,788 ft
  • Learning Point
  • Castleguard Cave was only discovered in the early 20th century, and in recent years has become a location many cavers visit and explore, helping identify it as the longest cave in Canada.
  • Project
  • Draw cubic cave pearls and flagged soda straws in Castleguard Cave.
  • Location
  • Located in
    Banff National Park, Alberta, Canada
  • Fun Facts
  • The cave contains many cubic cave pearls and flagged soda straws.
  • Cave pearls are formed when dripping water attaches minerals to small grains of sand, that gradullay form in moving water into rock pearls, just like pearls in oysters do.
  • Soda straws are formed as water with calcium within drops from a ceiling, forming rings of calciuum at the tip of the developing straw.
  • There is still much exploration to be done of Castleguard Cave, with layers of caves underneath to be explored. These have been found by dye-tracing, which indicate the caves existence.