Postal address:24040 Cosmos Rd.
Rapid City, SD 57702
Contact us at
We look forward to receiving your questions and comments. Our staff strives to answer your requests in a timely manner.
For group ratesPlease call us at (605) 343-9802
Hours of Operation:
The Cosmos is open from 8 am - dusk (summer months only) and
we are open seven days a week.
- April 9am - 5pm (weather permitting)
- May 9am - 5pm (weather permitting)
- Memorial Day Weekend 8am - 8pm (Sat. and Sun.)
- June 8am - 8pm
- July 8am - 8pm
- August 9am - 6pm
- Labor Day Weekend 9am - 7pm (Sat. and Sun.)
- September 9am - 5pm (weather permitting)
- October 9am - 5pm (weather permitting)