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. 

Hours & Location

The Cosmos Mystery Area can get very busy during the summer. We strongly suggest that you purchase tickets online in advance to ensure you get a spot on one of our tours. Click to download our brochure.

Our 2019 Season

How to Find Us

24040 Cosmos Road | Rapid City, SD 57702

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

Driving Directions

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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