Bonne Terre Mine
Cave diving in Missouri · about 1 km from Bonne Terre
- Max depth
- 30 m
- Type
- Backmount
- Certification (estimate)
- Open water / no overhead
- DPV
- Not DPV-suitable
Flooded lead mine with a lake of some 4 billion litres, ~30 m visibility, water of ~14 °C and large electric lighting. A kayak follows the divers on the surface.
Flooded lead mine with a lake of some 4 billion litres, ~30 m visibility, water of ~14 °C and large electric lighting. A kayak follows the divers on the surface. Fully guided mine dives, also for open-water divers.
- Depth and profile
- Most dives -12 to -18 m; some technical routes -24 to -30 m; 28 marked trails
- Configuration
- Backmount with the operator's tanks; your own tanks (and so sidemount and CCR) not allowed.
- Access
- When the mine is open: only with the operator (West End Diving), with a lead and a trail guide and at least a two-dive package. Tanks come from the operator; your own tanks and your own lights are not allowed.
- DPV: Not DPV-suitable (estimate)
- Guided dives only, with the operator's gear.
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Searched automatically, last on 5 Oct 2026.
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Current conditions
Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:
- Ozark Cave Diving Alliance (ocda.org) ↗
Cave diving club that explores and surveys Roubidoux Spring, with practical info on checking in at Waynesville.
- USGS: Roubidoux Spring at Waynesville ↗
Discharge of the spring: more flow and less visibility after rain.
Plan a cave diving trip to Missouri
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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (City of Waynesville and Visit Missouri, Ozark Cave Diving Alliance, Scuba Diving, USGS, KFMO, Bonne Terre Mine, DAN Alert Diver, Wikipedia; Oct 2026). Roubidoux pin from the USGS records, Bonne Terre from Wikipedia; ~ = estimate. Rules and openings change — check locally.