Protecting Texas caves since 1986

Texas Cave Management Association (TCMA) is a nonprofit conservancy dedicated to the preservation of caves and karst resources in Texas. TCMA is the most recognized and respected cave and karst conservancy in Texas.

Volunteer Driven

We are run entirely by hard-working volunteers just like you! Volunteers lead educational trips, participate in work projects, manage properties, survey and map caves, and more!

Join our community and make new friends while you help protect valuable natural resources.

Volunteer now!

Cave and Nature Preserves

We own and manage cave and nature preserves across Texas, from the Texas Hill Country to the heart of major cities, such as Whirlpool Cave in Austin and Robber Baron Cave in San Antonio.

Educational Opportunities

We work closely with schools, youth organizations, nature groups, and more to teach people about these delicate karst environments. If you are interested in hands-on classes for your organization, or interested in helping teach others about caves, contact us.

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You can help.

Volunteer

Help Us

We are run entirely by hard-working volunteers just like you! Volunteers lead educational trips, participate in work projects, manage properties, survey and map caves, and more!

Volunteer Now!

Donate

Contribute

Your donations help acquire and protect valuable karst resources, including aquifers and endangered species. Your donations are tax‑deductible.

Donate Now!

Join Us

Become a Member

We are a tight-knit community of cavers, scientists, nature enthusiasts, and institutions who share an interest in caves. Join our family today.

Join Now!

The conservation work done by the TCMA is only possible with the support of people like you. Please consider volunteering your time, making a donation, or becoming a member.

Own a cave?

We can help.

Recent News

A lasting gift from Gill Ediger

By Joe Ranzau, Treasurer Most of you knew Gill, or knew of him. For the rest, a short introduction. Gill Ediger started caving as a kid in the storm drains under Sinton, co-founded a grotto at Texas A&I University in

2026-09-25 No Comments

Garrison Brothers Distillery donates $15,000+ to TCMA to protect Caverns of Sonora

HYE, Texas – Garrison Brothers Distillery this year has donated $15,000+ to Texas Cave Management Association to help protect the world-famous commercial cave, Caverns of Sonora. On April 3, Distillery Co-founder Nancy Garrison and Distiller Samantha Olvera presented a check

2026-09-20 No Comments

TCMA 40th anniversary, members’ meeting – and a new cave!

By Jay JordenWe’re 40 years old! Texas Cave Management Association’s exciting journey started with meetings in 1986 among cave explorers in Austin, Texas who decided that the growing state needed an organization to systematically start saving caves and cave resources

2026-09-19 No Comments

Upcoming Members' Meeting

Saturday, October 24, 2026, 12:00pm

(during Texas Cavers’ Reunion)

Camp Sol Mayer dining hall
299 Camp Sol Mayer Rd, Menard, TX 76859

If any TCMA members want to add an issue or concern to the agenda, please email officers@tcmacaves.org.