Weekdays, the first tour leaves at 10:00am and the last tour leaves at approximately 4:00pm. For weekdays, tours leave every hour on the hour. On weekends, tours start at 9:30 and leave on the hour and half hour with the last tour at approximately 4:20pm.

Additional cleaning measures are in place and we encourage social distancing and masks as appropriate.  

We recommend reservations be made in advance to minimize customer wait times, reservations cannot be made the same day for tours. 

Come by and see our new Gem Mine attraction!

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Cosmos Mystery Area


Cosmos Mystery Area

24040 Cosmos Road
Rapid City, SD 57702
605-343-9802

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