GEORGETOWN ATTRACTION FIELD GUIDE
Beneath Georgetown: A Mile of Stalactites, Ice-Age Bones and Karst History
A 75-minute guided walk through Inner Space Cavern that traces dramatic cave formations and the Ice Age fossils that make this karst site scientifically important.
Beneath Georgetown: A Mile of Stalactites, Ice-Age Bones and Karst History.
Descend into Inner Space Cavern on a guided, paved one-mile loop that threads through enormous rooms and past stalactites, stalagmites, flowstone and debris cones where Pleistocene bones were found—an undersurface museum of geology and Ice Age life.
Highlights
Outing Highlights
Found During I‑35 Construction
The cave was discovered in 1963 by the Texas Highway Department while surveying for Interstate 35; early work revealed its scientific importance for karst studies and Pleistocene fossils.
Cathedral Rooms and Flowstone
The guided route passes through the cave’s two largest rooms and showcases dramatic stalactites, stalagmites, columns and flowstone formed over millennia.
Debris Cones and Ice‑Age Bones
Guides point out debris cones—areas where Pleistocene animal bones were discovered and continue to be found—highlighting the cave’s paleontological significance.
What the day feels like
What the Tour Feels Like
The classic guided tour walks visitors along a paved mile of passage on a 75‑minute route; interpretive commentary explains cave formation, the cavern’s discovery and the Ice Age fossils while you move up and down slopes in a humid underground environment.
Suitability
Who it's for
Who this tour suits—and who should opt out.
Practical planner
Details to review before reserving
Plan for roughly 1 hour 15 minutes for the guided cave tour.
Meet at 4200 S. I-35 Frontage Rd., Georgetown, TX 78626 for tour departure.
Comfortable walking shoes are recommended for the one‑mile walk; water is the only drink permitted inside the cave and no food is allowed.
You must be able to walk one mile up and down slopes in a high‑humidity environment; nothing with wheels may be taken into the cave.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the tour?
The guided tour is approximately 1 hour 15 minutes long.
Where do I meet for the tour?
Meeting is at 4200 S. I-35 Frontage Rd., Georgetown, TX 78626.
Can I bring a stroller or wheelchair into the cave?
No—strollers, wheelchairs or anything with wheels cannot be taken into the cave because of slopes.
Are food and drinks allowed inside the cave?
No food is allowed; water is the only drink permitted in the cave.
Is the tour suitable for people with medical issues?
Although there are no age limits, the tour is not suitable for those with bad backs, bad knees, recent surgeries, heart conditions or similar health concerns.
What should I wear or bring?
Comfortable walking shoes are recommended for the one‑mile walk; other gear beyond water is generally unnecessary and food is prohibited.