The world's 10 wettest mines

It shouldn't come as much of a surprise that most of the world's wettest mines are located in a country that's highly vulnerable to typhoons. The Philippines is home to seven of the mines on this list, where close to 5,000 millimetres of rain can fall in a single year.

But the world's wettest mine is Papua New Guinea's Ok Tedi. This open-pit copper, gold, and silver mine gets an average of 6,636 millimetre per year. To put that into perspective, Vancouver – one of Canada's rainiest cities – sees about 1,199 millimetres. London, England gets only 594 millimetres.

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Data provided by IntelligenceMine.com

#1 Ok Tedi
Average annual precipitation: 6,636 mm
Location: Papua New Guinea
Owner: Ok Tedi Mining
Type: Open-Pit copper, gold and silver mine


#2 Adlay
Average annual precipitation: 4,885 mm
Location: Philippines
Owner: CTP Construction and Mining
Type: Open-pit iron ore and nickel mine


#3 Carrascal
Average annual precipitation: 4,740 mm
Location: Philippines
Owner: Carrascal Nickel Corp.
Type: Open-pit nickel mine


#4 Tandawa
Average annual precipitation: 4,690 mm
Location: Philippines
Owner: Shenzhou Mining Group Corporation
Type: Open-pit nickel mine


#5 Dahican
Average annual precipitation: 4,690 mm
Location: Philippines
Owner: CTP Construction and Mining Corp.
Type: Open-pit nickel mine


#6 Cantilan
Average annual precipitation: 4,680 mm
Location: Philippines
Owner: Marcventures Holdings Inc.
Type: Open-pit nickel mine


#7 Kalonta
Average annual precipitation: 4,558 mm
Location: Myanmar
Owner: China Ming Hua
Type: Open-pit tin and tungsten mine


#8 Urbiztondo
Average annual precipitation: 4,465 mm
Location: Philippines
Owner: FS Borja Mining & Trading
Type: Open-pit nickel mine


#9 Taganito Mine
Average annual precipitation: 4,414 mm
Location: Philippines
Owner: Sumitomo Metal Mining
Type: Open-pit iron ore and nickel mine


#10 El Limon / El Mango
Average annual precipitation: 4,297 mm
Location: Colombia
Owner: Four Points Mining SAS
Type: Underground gold and silver mine