Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Crystal Lake Cave ← View details 6684 Crystal Lake Cave Road, Dubuque, IA 52003 +1 563-556-6451