It's summertime!

For the period of August 18th through August 30th, our hours are 9:30am to 5:00pm. For August 31st through September 2nd our hours will be 9:00am to 7:00pm  

The last tour leaves 30 minutes prior to closing.

In order to keep wait times at a minimum, we strongly suggest that groups of 12 or more book tour tickets online in advance for your own convenience. Larger groups without reservations may face longer wait times. 

Contact Us

24040 Cosmos Road
Rapid City, SD 57702
605-343-9802
cosmos-mystery-area-road-sign
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How to Find Us

We are located 20 minutes from Rapid City, 7 minutes from Keystone and 10 minutes from Mt Rushmore

From Rapid City

Head south on US-16
Drive Aproximatly 17 miles
Turn left onto Cosmos Rd
We will be on your left

From Keystone

Turn right onto US-16A E
Take the ramp onto US-16 E
Turn right onto Cosmos Rd
We will be on your left

From Mt Rushmore

Take SD-244 E to US-16A E
Turn right onto Cosmos Rd
We will be on your left

Cosmos Mystery Area

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

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