Inner Space Cavern, GeorgeTown, near Austin


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Intro: Well, I haven’t seen Stalagcites/Stalagmites. So, while driving back from Dallas to Austin, we (me, Tarun and Amit) stopped by at  the Inner space Cavern, 24 odd miles before Austin. It was a 45 odd min tour with 7 more people and a tour guide. So, here you go.

History:  In 1963, Texas Highway Department’s core drilling team was drilling test holes to check whether the ground can support large overpass. One of the drill fell 26 ft and this led to the accidental discovery of the cavern. The mining company sniffed opportunity and then made the place tourist worthy (safe). After some work, this place was made open to the public in 1966. Well, thats 1 million after it started to built itself!

The entry is via a train. We were late, so we walked in. It wasn’t tiring – I just wondered why they have a rail line in the first place. probably due to mining activities.

Model: Tarun Bansal

Model: Tarun Bansal

Some formations protruded and touched the other surface, causing a pillar like structure.

Stalactites and Stalagmites

Stalactites and Stalagmites

There were some paintings made by an artist (search for the name) after the cavern was opened for public view. The tour guide said that these animals were found in Texas long ago – mammoth (tusker), huge wild boar etc. Here’s a shot of the same:

We were here

We were here

Moon Lake –  lakes on moon apparently  appear like this, hence the name. Reminds me of Durga Puja pandals back home.

Moon Lake

Moon Lake

The photo below is a fault line running from Austin to XXXX. So whats a fault line? For those who forgot Class 7 geography lessons, here’s  a link. You can see here that the rock on one side of the fracture has moved with respect to the rock on the other side. This is apparently due to the shear motion of the earth’s crust.

Whos fault is this?

Who's fault is this?

I was bowled over by the color scheme of the place. The view gave a feeling that it would be very hot (looks like molten lava out of Discovery) but was indeed a cool place – 72 F (22 C). Here’s another one:

On the Rocks

On the Rocks


Tours: Inner Space Caverns offers three types of tours: the adventure tour (adults – $12.95 and children, ages 4-12 – $6.95), the new explorer’s tour (adults – $18.95, children, ages 4-12-$10.50) and another tour where you have to crawl most of the time. The 3rd tour costs about  $100 and you have to meet the eligibility criteria to undergo this tour. The explorer tour lasts an hour and 35 minutes and covers an extended 1.2 mile trail.

How to reach: Inner Space Cavern is located 24 miles North of Austin.  It’s entrance is on IH-35.  Simply follow  IH-35 North past Round Rock and take exit 259.  Go past the Candle Factory, turn left under IH-35 and we’ll be on your right. Get a map from


  1. Take pictures
  2. Listen to the tour guide – she/he would tell you interesting stories
  3. At your exit, take a souvenir – you would be required to drop 1 cent and two quarters, a machine will press your cent and convert it into a oval shaped plate with ‘Inner Space Cavern’ written over it.
  4. Don’t touch the structures there – apparently the structures don’t grow any further if it comes into oil contact. They die too, you see!

All Photo Courtesy: Tarun Bansal



7 Responses to “Inner Space Cavern, GeorgeTown, near Austin”

  1. GhoSt Says:

    Does anybody know the hours for the caverns? I’ve tried calling a couple of times and all I get is the busy signal.

  2. Rahi Says:

    wow looks like a picturesque place. so u r in austin these days

    • Kalyan Banerjee Says:

      Comment from a repeat visitor just makes my day! Yes Rahi, I’ll be in Austin for some more time and then move back. Austin really is picturesque. More about Austin coming soon at this blog – keep coming back.

  3. Vamsee Says:

    Nice post with cool pictures. Reminded me of Luray caverns in Virginia. It is amazing how it takes thousands of years for these stalactites and stalagmites to form.

  4. meetsudeshna Says:

    Your photos reminded me of Bora caves near Vizag. I went there in 2001, didn’t have a cam then, so cant compete with yours. But the memory tells me, The Bora caves are better than the ones you saw, probably bigger.

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