4.2
5 votes

Crystal Lake Cave

7699 Crystal Lake Cave Dr, Dubuque, Iowa 52003 USA

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“Longest "living" show cavern in Iowa”

In 1868 lead miners drilled 40 feet into the ground to find traces of a rich lead vein. In this process they found very little lead, but instead discovered a natural geological wonder of matchless beauty. In 1932, the late Bernard Markus, (one of the original lead miners),  opened the cave to the public, naming it Crystal Lake Cave. Miners also found other minerals and gems that are now available in our giftshop located on the property. Today, Crystal Lake Cave is the longest "living" show cavern in the state of Iowa, and growing everyday.

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Reviewed by
tracyheiser

  • 2 Reviews
  • 1 Helpful
September 05, 2015
Rated 4.0

GREAT little cave. 50 degrees... perfect on a hot day...fall days, you will need a sweater. We love caving, and I would suggest a flashlight as it isn't lit up well enough to see some of the hidden treasures. Lovely people and great experience.

1 person found this review helpful

Reviewed by
Megan Bannister

  • Road Warrior
  • 135 Reviews
  • 102 Helpful
August 05, 2014
Rated 4.0

Tourist tip: Admission is $14 for adults and $7 for children. Be sure to bring a jacket or sweater because no matter the season, the cave temperature is always 52 degrees.

1 person found this review helpful

Reviewed by
haleyloughran1

  • 2 Reviews
  • 0 Helpful
April 18, 2021

Today is Sunday 4/18/21. We were going to visit this cave but the phone number was disconnected when we tried to call. Website said it’s closed until April 2021. Google says “opens Monday at 11am”. Would have loved to stop here but it’s too far out of our way to risk it being closed. Maybe next time!

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Crystal Lake Cave

7699 Crystal Lake Cave Dr
Dubuque, Iowa
52003 USA

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  • Parking
  • Pets Allowed
  • Restrooms
  • Wifi
  • Wheelchair Accessible
  • Credit Cards Accepted
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