Title: Crystal Lake Cave Tours - Book Now | Expedia.com [Crystal Lake Cave Hotels](https://expedia.com/Crystal-Lake-Cave-Hotels.0-l6178389-0.Travel-Guide-Filter-Hotels)[Flights to Dubuque](https://expedia.com/Cheap-Flights-To-Dubuque.d985.Travel-Guide-Flights)[Things to do in Dubuque](https://expedia.com/Things-To-Do-In-Dubuque.d985.Travel-Guide-Activities)[Car Rentals in Crystal Lake Cave](https://expedia.com/Car-Rentals-In-Crystal-Lake-Cave.d6178389.Car-Rental-Guide)[Dubuque Vacation Packages](https://expedia.com/Dubuque.d985.Destination-Travel-Guides) # Crystal Lake Cave Tours ![Crystal Lake Cave which includes caves](https://images.trvl-media.com/place/6178389/8b5fe950-7440-4e7c-b1f8-59d589632d86.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Crystal Lake Cave which includes caves](https://images.trvl-media.com/place/6178389/8b5fe950-7440-4e7c-b1f8-59d589632d86.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Crystal Lake Cave showing caves](https://images.trvl-media.com/place/6178389/ab68e4b7-8fc5-47ef-bf0a-1b0dd23d55b9.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Crystal Lake Cave which includes caves](https://images.trvl-media.com/place/6178389/b9dc3d41-ec6f-4594-88dc-5ad79a888175.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Crystal Lake Cave featuring caves](https://images.trvl-media.com/place/6178389/e2bb9422-b1aa-421e-8769-bd7e7a5404b9.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ## Visit Crystal Lake Cave Activities [Dubuque Travel Guide](https://expedia.com/Dubuque.dx985) --- --- #### The subterranean world can be an exotic and spellbinding environment. Visit this exquisite cave that has been carved by nature over millions of years. Crystal Lake Cave, near Dubuque, Iowa, is a constantly evolving natural wonder, as streams of water continuously erode and shape the limestone formations. Tour this underground labyrinth and its geology of stalactites, stalagmites and columns. The subterranean complex was originally discovered in 1868 by a miner looking for lead ore. Walk among the formations along lighted paths as a guide describes various features. When rainwater seeps through the soil above it becomes a weak acid that dissolves and reconstructs the limestone into fascinating shapes that slowly change. Learn about stalactites that hang from the cave’s ceiling, stalagmites that come up from the floor, columns of rock, helictites with erratic spiraling shapes and anthodites with incredible needle-like crystalline patterns. Younger visitors are able to pan for their own treasures in the Gem Mining Sluice that channels mineral-rich water into a defined area for sifting. Explore some of the more hidden areas of the underground formations with a Wild Cave Tour that takes adventurous visitors farther than the regular visit. The regular tour starts every 15 to 30 minutes and lasts 45 minutes, while the adventurous tour is 1.5 hours and needs to be booked in advance by phone. Be sure to bring a jacket and wear long pants as the cave often has cooler temperatures even when surface temperatures are beastly hot. The site also recommends wearing closed-toe shoes instead of flip-flops or sandals. You will be navigating a steep set of stairs to get in and out of the cave and passing through some tight areas. Take home a souvenir from the gift shop, which has various items crafted from minerals, including jewelry and gemstones. Have a family outing at Crystal Lake Cave located 5 miles (8 kilometers) south of Dubuque on Crystal Lake Cave Road. It’s open most days but closed in winter. Children under 4 years old are offered free admission. Ask for discounted rates for other kids through age 11. ### Popular places to visit ![Mines of Spain Recreation Area which includes a garden](https://images.trvl-media.com/place/553248621532649458/1380e25d-fe51-44bc-8d6c-319dd0b4a860.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Mines of Spain State Recreation Area Walk through this protected area of historical and natural interest. One trail has state trees from the entire 50 states along with lookouts over a major river. [](https://expedia.com/Mines-Of-Spain-State-Recreation-Area-Dubuque.d553248621532649458.Vacation-Attraction) ![Casino hotel and convention center by Upper Mississippi on calm misty morning at Dubuque Iowa](https://images.trvl-media.com/place/553248621532649462/88db723c-6f4a-4b13-9764-0b624cfa9726.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Grand Harbor Resort and Waterpark 4/5(38 reviews) Bring your family to Grand Harbor Resort and Waterpark and enjoy this exciting amusement park in Dubuque. Wander the area's riverfront or simply enjoy one of its top-notch restaurants. [](https://expedia.com/Grand-Harbor-Resort-And-Waterpark-Dubuque.d553248621532649462.Vacation-Attraction) ![National Mississippi River Museum and Aquarium featuring interior views](https://images.trvl-media.com/place/6105962/6987bb35-cbcd-4b14-a03c-03c8244722a8.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### National Mississippi River Museum and Aquarium 4.5/5(126 reviews) Learn about the region’s history and its aquatic life in one location. The role of this important river becomes apparent through the many interactive exhibits. [](https://expedia.com/National-Mississippi-River-Museum-And-Aquarium-Dubuque.d6105962.Vacation-Attraction) ![Hotel, Conference and convention center by Upper Mississippi on calm evening in Dubuque Iowa](https://images.trvl-media.com/place/6178383/f6116dba-a673-496b-ac74-56647879c7a1.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Grand River Center 4/5(35 reviews) Grand River Center is just one of the places to see in Dubuque, so why not enjoy the other things to explore during your travels? Stroll along the area's riverfront, or simply savor its top-notch restaurants. [](https://expedia.com/Grand-River-Center-Dubuque.d6178383.Vacation-Attraction) ![Fourth Street Elevator which includes landscape views and a small town or village](https://images.trvl-media.com/place/6106022/3df07dbd-7f8d-4d91-95d6-cf2a75b53b6a.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Fourth Street Elevator 4.5/5(5 reviews) It’s a quick and short ride, but the exhilaration you’ll experience is considerable. See why this attraction has remained so popular over many years. [](https://expedia.com/Fourth-Street-Elevator-Dubuque.d6106022.Vacation-Attraction) #### Mines of Spain Cemetery Enjoy a stop at Mines of Spain Cemetery, a landmark worth seeing in Dubuque. Stroll along the riverfront or visit the casinos in this family-friendly area. [](https://expedia.com/Mines-Of-Spain-Cemetery-Dubuque.d553248635956035154.Vacation-Attraction) --- ## Best Lodging Options Near Crystal Lake Cave ## Check availability on hotels close to Crystal Lake Cave [Tonight ](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=2026-02-24&endDate=2026-02-25)[Feb 24 - Feb 25](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=2026-02-24&endDate=2026-02-25) [Tomorrow night ](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=2026-02-25&endDate=2026-02-26)[Feb 25 - Feb 26](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=2026-02-25&endDate=2026-02-26) [This weekend ](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=2%2F27%2F2026&endDate=3%2F1%2F2026)[Feb 27 - Mar 1](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=2%2F27%2F2026&endDate=3%2F1%2F2026) [Next weekend ](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=3%2F6%2F2026&endDate=3%2F8%2F2026)[Mar 6 - Mar 8](https://expedia.com/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=6178389&startDate=3%2F6%2F2026&endDate=3%2F8%2F2026) ![Grand Harbor Resort and Waterpark](https://images.trvl-media.com/lodging/1000000/930000/920400/920389/7ebd3f9f_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Grand Harbor Resort and Waterpark 350 Bell St Dubuque IA [](https://expedia.com/Dubuque-Hotels-Grand-Harbor-Resort-And-Waterpark.h920389.Hotel-Information) ![Hotel Julien Dubuque](https://images.trvl-media.com/lodging/3000000/2240000/2239900/2239834/bbf66f82_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Hotel Julien Dubuque 200 Main Street Dubuque IA [](https://expedia.com/Dubuque-Hotels-Hotel-Julien-Dubuque.h2239834.Hotel-Information) ![Tesla MedBed Center, East Dubuque](https://images.trvl-media.com/lodging/2000000/1080000/1076100/1076011/b0c9c838_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Tesla MedBed Center, East Dubuque 7787 Timmerman Dr. East Dubuque IL [](https://expedia.com/East-Dubuque-Hotels-Tesla-MedBed-Center.h1076011.Hotel-Information) ![Days Inn by Wyndham Dubuque](https://images.trvl-media.com/lodging/1000000/10000/3800/3763/464ad817_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Days Inn by Wyndham Dubuque 1111 Dodge St Dubuque IA [](https://expedia.com/Dubuque-Hotels-Days-Inn-By-Wyndham-Dubuque.h3763.Hotel-Information) ![Holiday Inn Dubuque/Galena by IHG](https://images.trvl-media.com/lodging/1000000/20000/13400/13327/6a231ecc_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Holiday Inn Dubuque/Galena by IHG 450 Main St Dubuque IA [](https://expedia.com/Dubuque-Hotels-Holiday-Inn-DubuqueGalena.h13327.Hotel-Information) ![Redstone Inn And Suites](https://images.trvl-media.com/lodging/1000000/900000/899000/898933/886438b6_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Redstone Inn And Suites 504 Bluff St Dubuque IA [](https://expedia.com/Dubuque-Hotels-Redstone-Inn-And-Suites.h898933.Hotel-Information) ![Canfield Hotel](https://images.trvl-media.com/lodging/96000000/95300000/95296900/95296892/ab41b1ff_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Canfield Hotel W 4th St, Dubuque, IA Dubuque IA [](https://expedia.com/Dubuque-Hotels-Canfield-Hotel.h95296892.Hotel-Information) ![Best Western Plus Dubuque Hotel & Conference Center](https://images.trvl-media.com/lodging/1000000/10000/2400/2385/637a01b6_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Best Western Plus Dubuque Hotel & Conference Center 3100 Dodge St Dubuque IA [](https://expedia.com/Dubuque-Hotels-Best-Western-Plus-Dubuque-Hotel-Conference-Center.h2385.Hotel-Information) ![TownePlace Suites by Marriott Dubuque Downtown](https://images.trvl-media.com/lodging/32000000/31740000/31734700/31734667/c5ea18d8_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### TownePlace Suites by Marriott Dubuque Downtown 1151 WASHINGTON STREET Dubuque IA [](https://expedia.com/Dubuque-Hotels-TownePlace-Suites-By-Marriott-Dubuque-Downtown.h31734667.Hotel-Information) [See all 884 properties in Crystal Lake Cave](https://expedia.com/Hotel-Search?rfrrid=TG.LP.Hotels.Package®ionId=6178389) Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. 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[Flights from Rochester (RST) to Dubuque (DBQ) ](https://www.expedia.com/lp/flights/rst/dbq/rochester-to-dubuque) - [Mines of Spain State Recreation Area ](https://www.expedia.com/Mines-Of-Spain-State-Recreation-Area-Dubuque.d553248621532649458.Vacation-Attraction) - [Mines of Spain Cemetery ](https://www.expedia.com/Mines-Of-Spain-Cemetery-Dubuque.d553248635956035154.Vacation-Attraction) - [National Mississippi River Museum and Aquarium ](https://www.expedia.com/National-Mississippi-River-Museum-And-Aquarium-Dubuque.d6105962.Vacation-Attraction) - [Julien Dubuque Bridge ](https://www.expedia.com/Julien-Dubuque-Bridge-Dubuque.d6106020.Vacation-Attraction) - [Grand Harbor Resort and Waterpark ](https://www.expedia.com/Grand-Harbor-Resort-And-Waterpark-Dubuque.d553248621532649462.Vacation-Attraction) - [Port of Dubuque Marina ](https://www.expedia.com/Port-Of-Dubuque-Marina-Dubuque.d553248635171376124.Vacation-Attraction) - [Diamond Jo Casino ](https://www.expedia.com/Diamond-Jo-Casino-Dubuque.d6178371.Vacation-Attraction) - 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