DUE TO SNOW WE ARE CLOSED FOR TOURS MONDAY, MAY 20 AND TUESDAY, MAY 21. 

Here are our hours through Memorial Day.  Come see us!

May 13 - 17 (M - F) Tours on the hour, first tour at 10:00 AM and last tour at 4:00 PM.

May 18 and 19 (S & S) Tours every 30 minutes, first tour at 10:00 AM and last tour at 4:30 PM.

May 20 - 24 (M - F) Tours on the hour, first tour at 10:00 AM and last tour at 4:00 PM.

May 25 and 26 (Memorial Day Weekend) Frequent tours, first tour at 8:00 AM and last tour at 7:30 PM.

May 27 (Memorial Day) Frequent tours, first tour at 9:00 AM and last tour at 5:30 PM.

Geode
Mine

Find It, Crack It, Keep It!
Everyone is Guaranteed to

Strike It Rich

Odds are once you enter the Cosmos Mystery Area’s famous Geode Mine lady luck will soon smile on you. Pick up a hand spade and start digging for your very own geode. Once you find a keeper take it over to our special hydraulic press to crack open your newly discovered treasure. You will be amazed at the beauty of the naturally formed crystals inside.

Staking Your Claim

  • $8 per geode mine entrance
  • $6 if purchased with Mystery House tour
  • *Ticket prices do not include tax
Buy Your Tickets Now
  • Geode Mine 01
  • Geode Mine 02
  • Geode Mine 04
  • Geode Mine 01
  • Geode Mine 02
  • Geode Mine 04

Cosmos Mystery Area

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

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