The Texas Speleological Survey (TSS) is a non-profit corporation established in 1960 to collect, organize, and maintain information on Texas caves and karst (the term for a landscape likely to contain caves). . . . [read more]

• The next meeting of the Board of Directors is scheduled for 12 September 2026 at 10:00 AM
• Meetings are at the Texas Speleological Center, 14045 North Green Hills Loop, Austin 78737-8619.
• Meeting Contact: Jim Kennedy
• How to get to the TSC:
• Driving directions here
• Map
• More about the Texas Speleological Center

The TSS is saddened by the passing of Logan McNatt on 3 June 2026 (obituary from the Austin Chronicle). A long-serving director and supporter of TSS, Logan was an important force in Texas archaeology and in caving in Texas, Mexico, and Belize. He is greatly missed.

News archive . . .

Orion Knox in the entrance room of Electro-Mag Cave, Sun City, Williamson County, Texas. - photo George Veni

NEW PUBLICATION!!!!

The Caves of Government Canyon, edited by Marvin Miller

     

OTHER POPULAR FAVORITES

• TSS Maps. Download over 1766 cave maps from 56 Texas counties, plus an Excel™ spreadsheet index.
• Hypogene Karst of Texas (2018)
• Karst of the Urban Corridor: Bell, Bexar, Comal, Hays, Travis, and Williamson Counties
• Confederate Nitre Bureau Operations in the Trans-Mississippi
• 50 Years of Texas Caving by Carl Kunath.