Spring Valley Caverns

 

HIAWATHA CAVERNS

Hiawatha Caverns is a highly decorated cave which was discovered in 1962 by workmen who were grading an easement for overhead power lines. Shortly thereafter, this highly decorated cave was commercialized and opened for tours in 1964. Due to unsustainable sales the cave was locked up after the 1966 tourist season. The Minnesota Cave Preserve purchased the cave in 2019 and restoration and exploratory activity is now taking place.

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Original Brochure
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Original brochure.

Purchase day, August 10, 2019. Notice the original ticket building in background.
Purchase Day
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Isn't he a dream!
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John Ackerman in front of the original entrance, which has since been replaced.

Martin Larsen conducts laser measurements for the new entrance.
Martin Larsen
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Collapsed
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The original tunnel had collapsed.

A decision was made to install a new entrance.

Collapsed
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ready for culvert
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We removed the original entrance tunnel and are now ready to install the new entrance.

Emily Hudson stands in the first of three 8' diameter entry sections.

beginning assemblyATIONS.
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installing sections
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Martin Larsen aligns the placement of the final section.

John Ackerman contours the site and spreads prairie grass seed.

backfill completion
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nearing completion
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Dave Gerboth stands at the new entrance.

In 1964 Lee & Fritz record the "Ballard of Hiawatha Caverns.

Listen to the song.

recordATIONS.
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original owners
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1963 photo of original owners Ed & Gertie Nietzke.

The cave is festooned with formations!

aNCIENT FORMATIONS.
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formations
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This amazing cave dates back to the Lower Ordovician Period of the Paleozoic Era, some 410 to 520 million years old.


Hiawatha Caverns History
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