Decorah Ice Cave State Preserve
Decorah Ice Cave State Preserve, Show cave in Decorah, United States.
The Decorah Ice Cave State Preserve contains natural ice formations within a limestone cave system spanning across three acres of protected land.
The cave site, initially constructed in 1898, received official recognition as part of the National Register of Historic Places in December 1978.
Local educational programs utilize the cave system to teach students and residents about regional geology, ice formation processes, and natural preservation.
Visitors can access the first 10 feet of the cave entrance without charge, while safety barriers prevent deeper exploration due to documented rock movements.
The cave maintains ice formations from January through August, with the thickest accumulations occurring on the north wall during late spring months.
Location: Iowa
Inception: 1973
GPS coordinates: 43.31056,-91.78417
Latest update: March 3, 2025 06:56
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