Dive-site story
Boh Yai Mine is a flooded abandoned lead and zinc mine situated in the forested hills of Kanchanaburi. Technical divers explore a labyrinth of submerged shafts, horizontal transport tunnels, and large excavated chambers. Industrial relics such as ore carts, trackways, structural timbering, and electrical cabling remain preserved in the quiet, low-oxygen depths.
Submerged industrial artifacts including intact mine carts and rail tracks
Expansive cut-rock caverns and complex horizontal adits
Exceptional freshwater clarity below the surface transition layers
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
The dry season provides stable road access and clearer water near the entrance pool.
Marine forecast
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