Joining the Gem State Grotto costs $15 per year. This covers either an individual or the family. Members are expected to also join the National Speleological Society.


  • When you join the GSG you get an electronic subscription to our newsletter, the Gem Caver, aimed to be released quarterly.
  • You gain permission to access the grotto library. The library contains records dating back to the GSG's founding more than 50 years ago.
  • You get the right to vote in grotto decisions and elections.
  • You get to be a part of an organization dedicated to the exploration and conservation of caves.

How to Join

Membership goes by calendar year. Dues are not prorated.

  • Attend a meeting and pay with check or cash.
  • Mail a check to Gem State Grotto. Contact the grotto at for the current address.

Checks should be made payable to Gem State Grotto.