Join/Renew

SFBC Membership

Membership Form

Release of Liability

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Welcome! If you would like to join the grotto or renew membership, please:

  1. Submit the online form linked above (Google account required)
  2. Sign the liability waiver
  3. Pay dues by any of these options:

Once all three have been submitted, you will be added to the “members” mailing list. Please be patient and wait a few days, SFBC is run by volunteers! If you encounter any issues, please email execs [at] sfbaycaving.org.

Membership includes:

  • Email list for caving trips and events
  • An electronic subscription to the SFBC Newsletter
  • Membership in the NSS Western Region and subscription to the Western Caver newsletter
  • For full members, voting privileges in grotto elections and region meetings
  • Access to SFBC Wiki of Caves
  • Access to recorded presentations given at Grotto Meetings
  • Access to SFBC newsletters and archives including our Xappian PDF Search Engine
  • Participation in grotto expeditions, cave trips, and activities.
  • Eligible to apply for the SFBC Trip Fund.

Dues Schedule – The form was updated 12/7/2025 to reflect new Western Region dues, current dues are as follows:

  • $25 standard SFBC membership +  Western Region membership
  • +$2 each additional family member
  • +$5 Diablo Grotto joint (associate) membership
  • +$10 for printed newsletters
  • -$15 opt out of Western Region/pay through another grotto