Crystal Lake Cave

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6684 Crystal Lake Cave Dr
Dubuque, IA 52003
+1 (563) 556-6451
http://www.crystallakecave.com

Crystal Lake Cave is a renowned tourist attraction nestled in the picturesque hills of Dubuque, Iowa. This natural limestone cave, discovered by miners in the late 19th century, captivates visitors with its intricate network of passages, chambers, and stunning formations such as delicate stalactites, stalagmites, and twisted helictites.

With its unique geological features and illuminated formations, Crystal Lake Cave offers an unforgettable underground experience. Open to the public during specific months and available for reservations during other times, this hidden gem promises a fascinating journey into the depths of nature's wonders.

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4.031 reviews
Photo of Brita R.
Brita R.
6/29/2019

Very Very Cool Attraction in Dubuque! I LOVED getting a tour through Crystal Lake Cave! The caves are 50-100 feet below ground and incredibly extraordinary! With stalagmites and stalagtites...

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Melissa D.
10/28/2025

This is a cool little side trip if you're in the area. We took the 45 minute tour which begins in the small gift shop. The walk through the cave is fairly narrow so it was difficult to hear the...

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Dave G.
7/15/2025

We decided to tour this cave on a whim while traveling through town. I must say the cave is an amazing work of natural art and is very well presented but that doesn't take away the fact that the...

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Peter G.
11/22/2024

Amazing cave--a must stop. Great tour, interesting, informative and well worth the time!

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Elizabeth T.
8/12/2023

Visited today (8/12/2023). Tickets: $20 for 12yrs old and older $8 for 4-11yrs old free for under 4 yrs old From a highway, you'll drive thru a dirt road that will bring you to a dirt parking...

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