Beautiful Wonderland Cave

Alpine Road
Nemo, SD

In 1874, General Custer on his first expedition through the Black Hills, passed below the cavern unaware of its location in the Limestone cliffs above. Not until 1929 when a search for a lost dog led two loggers to the upper room of the cavern was Wonderland Cave brought to light. That same year, the two men tried to mine in the cave for Gold; the search lasted for a year before they began work on the cavern taking the first commercial tours during the summer of 1930.

Over the years, extensive exploration and development took place to open more than two dozen rooms that are featured in Beautiful Wonderland Cave. Formations found in Wonderland Cave are Stalactites, Stalagmites, Dogtooth Spar Crystals, Column Formations, Helictites, Lobulites, better known as Popcorn Crystal, and frost Crystals. Wonderland Cave also has Calcite Lily Pads, Ribbon Stalactites, Boxwork Crystals, Flowstone and many more.

Hours of Operation:
May 1 - October 25 - BOGOS are available for purchase from Jan 1st,2022 - May 30th,2022. Can ONLY be used from May 1- Ocotober 25th.
Summer hours (June, July & August): 9:00 am - 6:00 pm Last tour: 5:00 pm
Fall hours (May, September & October): 9:00 am - 5:00 pm Last Tour: 4:00 pm

Tour Length: Plan to spend at least one hour at the cave grounds, including the tour. There's also the option of a shorter history-centric tour of the main cave room that avoids the stairs and going too far underground.

Please take note there are approximately 110 steps you will have to go up to exit the cave.

The cave stays at a constant 47 degrees, regardless of the weather outside. So bring a jacket and wear comfortable shoes for walking up and down stairs and on uneven grounds. No flashlights needed.

To protects employees and guests, tours limited to 15 or less and visitors are asked to wear masks.





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