People who come to the Cave of the Mounds
in the summer appreciate the constant 50-degree temperature.
They also enjoy the park-like grounds, with picnic areas, walking trails and
rock gardens. Winter visitors can take advantage of the
Cave's comparative warmth. The Cave is open
in the winter on weekends, and during the week by advance
reservation.
Guided tours of Cave of the Mounds are
available year 'round. Special rates are
available to groups of 20 or more by advance reservation
only. Cave of the Mounds is located just 20 miles west of Madison,
off U.S. Highways 18/151. To book tickets call at 608-437-3038 & For more information read original source here