Bonne Terre Mine

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Missouri, USA

Best timeYear-round

Water temp16°C / 61°F

Visibility30m+ / 100ft+

AccessShore Dive

Dive typesScuba

DifficultyBeginner

Max depth25 m

Avg depth18 m

Nearest airportSTL

Flooded mine diveCrystal clear visibility'Billion Gallon Lake'

Scuba

Bonne Terre Mine in Missouri is a former lead mine that is now flooded with crystal-clear, spring-fed water. It's the world's largest freshwater dive resort, offering a unique adventure exploring the preserved underwater mining operation.

Features

A multi-level lead mine with over 17 miles of navigable underground shoreline on a 'billion gallon lake'. The clear, 16°C (61°F) water and overhead lighting allow divers to see abandoned locomotives, ore carts, and tools left behind by miners.

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