August 2018: Our website is currently undergoing a MAJOR overhaul! Please see our Facebook Page (linked below) to find out about upcoming events!
Welcome to the homepage of the Cascade Grotto! Since 1951, the Cascade Grotto has been promoting recreation in, education about, and conservation of the caves of the Pacific Northwest and beyond. We’re a local chapter of the National Speleological Society based in the Seattle area, and we’d love to share our interest in caving with you!
Cascade Grotto is an all-volunteer, non-profit organization.
On our website you can:
We hope to see you underground!