Crystal Lake Cave Nature’s Masterpiece – Dubuque, Iowa
The Midwest’s longest natural living cave with it’s abundance of rare formations is located in Dubuque, 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.
Competent & knowledged tour guides will lead you through this wondrous cave on an exciting half hour to 45 minute adventure. Bring your jacket, temperatures are 52 degrees Fahrenheit inside Crystal Lake Cave year around.
Hours: May – 9-5 weekends only; June – August 9-6 Daily; September & October Weekdays 11-5, weekends 9-5. Closed November and December.
Admission: Adults – $10
Children 5-11 – $5
Children under 5 – Free
Senior Citizen – 10% off
Address: 6684 Crystal Lake Cave Dr, Dubuque, IA 52003
Location: On Highway 52, The Great River Road, just 3 miles south of Dubuque, Iowa.