Welcome to Redwood Grotto


of the

National Speleological Society


Redwood Grotto is a chapter of the National Speleological Society, a national organization devoted to the exploration, study and preservation of caves and cave related phenomena.

Our members are from the North Bay and greater San Francisco area.  Redwood Grotto members are active in the exploration of caves in California, the United States and around the world.

Redwood Grotto meets on the third Tuesday every month.  We start with a pot-luck at 6pm and the meeting runs from 7pm to 9pm.  The meeting location may change each month.  Meetings are usually in Novato or Cloverdale.

For information on meetings or to be put on our email list please email redwoodgrotto@caves.org.