Crystal Lake Cave is 3 mi. s. on US 52 to 6684 Crystal Lake Cave Rd. On guided approximately 45-minute tours, visitors walk 1 mile on well-lit passages into this living cave, one of few to contain anthodites—a rare form of aragonite crystals known as “cave flowers.” The cavern, discovered by lead miners in 1868, features intricate formations and an underground lake. A gem mining sluice also is available.
A 90-minute Wild Cave tour that explores unexcavated passageways is offered to participants ages 10 and over by advance reservation. Warm clothing is recommended in the cave, which has a constant temperature of 52 degrees F.
Guided tours are available. Picnicking is permitted.
Hours: Daily 9-6, Memorial Day to mid-Aug.; Mon.-Fri. 11-5, Sat.-Sun. 9-6, mid-Aug. through Labor Day; Mon. and Fri. 11-5, Sat.-Sun. 9-5, day after Labor Day to mid-Oct.; Sat.-Sun. 9-5, early May-day before Memorial Day and mid- to late Oct. Last tour departs 1 hour before closing. Phone ahead to confirm schedule and Wild Cave tour departure time and fee.