O-9 Well

Preserve Manager: Ben Hutchins

O-9 Well is a classic Texas cave. It is a multi-drop, 100-meter-deep cave that requires a wetsuit and proficiency on rope. The cave is historically significant, once serving as a stop on the Ozona-San Angelo stagecoach line and during cattle drives between Mexico and Kansas City. A windmill is still used to draw water from the cave today.

Visitation

Visitation closed due to COVID-19

To ensure safety and help prevent the spread of COVID-19, our preserves are closed to public visitation until further notice.

O-9 Well is managed by TCMA for the University Lands System. Per our management agreement, only TCMA members may visit O-9 Well for management or research-related trips, although recreational trips can take place before or afterwards. Access requires a formal request process, and thus, you should contact the cave manager well in advance of any proposed trips.

Visitation is restricted, and you must be a TCMA member to visit the cave.

If you are on an approved trip and need to become a TCMA member or renew your membership, you can do so online on our Membership page. With your membership, you will receive a confirmation email that you must submit to your trip leader before entering the cave.

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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!

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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.