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!

Thank You For Signing Up!

You are almost done!

We just sent you a confirmation message to the email that you provided. Please check your inbox and click on the “Confirm Subscription” link to verify your email address is correct.

Thank you!

Cosmos Mystery Area


Cosmos Mystery Area

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

Follow Us