Quick Details
Adult
Ages 18+
$ 100
Child
Ages 12-17 • Children must be accompanied by an adult
$ 60
Ultimate Underground Spelunking Adventure in Iowa Dubuque
Step far beyond the standard tour route and into the untouched depths of the cave on this thrilling, hands-on spelunking adventure. This is not your typical cave walk — it is a true expedition.
Over approximately 3 hours, you’ll crawl, climb, and navigate tight passages as you explore areas few ever get to see. With crystals forming just inches from your helmet and massive hidden chambers waiting underground, this experience offers raw, up-close access to a remarkable subterranean world.
Led by a trained guide, you’ll also learn about the geology, formations, and natural history of the cave environment.
Duration
3 Hours Total
- 30 minutes: Gear up & safety briefing
- 2 hours: Guided spelunking expedition
- 30 minutes: Gear removal & change
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- Access to off-limits, non-public cave passages
- Crawl through narrow, naturally formed tunnels
- See delicate crystal formations up close
- Explore a massive underground chamber with a flowing creek
- Experience a true guided spelunking adventure
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- Helmet (required — bring your own or rent on-site)
- Knee pads (required — bring or rent)
- Elbow pads (required — bring or rent)
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- Please arrive at least 15 minutes before your scheduled start time
- Allow time for gearing up and safety briefing before entering the cave
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- Guests should expect to get wet and cold
- Not suitable for claustrophobic individuals
- Size restrictions apply (measurements required before participation)
- Tours depart on time and cannot wait for late arrivals