A living, natural cave is a beautiful sight!

Take a guided tour through 3000 feet of well-lilt passageways, showing nature’s crystal menagerie and intricate formations. You are invited to visit and witness the ongoing miracle that created this natural masterpiece.

Try your hand at prospecting at our gem mining sluice, enjoy our picnic grounds and shop for treasures in our gift shop.


After Labor Day:  Open Weekdays 11 am to 5 pm, Weekends 9 am to 5 pm until October 15, 2018. Open weekends only until the last Sunday in October.

The last tour of the day leaves an hour before closing.

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Categories: CavesGift & Book ShopsGreat OutdoorsPicnicingShoppingSpelunking

Crystal Lake Cave

6684 Crystal Lake Cave Road
DUBUQUE, Iowa 52003 United States