PLEASE NOTE: Our final tour of the day leaves promptly at 4pm, and is available by walk-in (first come, first serve) only!!

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
  • Geode Mine 01
  • Geode Mine 02
  • Geode Mine 03
  • Geode Mine 01
  • Geode Mine 02
  • Geode Mine 03

Cosmos Mystery Area

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

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