Mine
Top Annual Production
Coordinates
Associated Town
Owner
Dates
Coalfield
Iwate mine[ 2]
39°53′06″N 141°37′52″E / 39.885°N 141.631°E / 39.885; 141.631
Iwaizumi, Iwate
?
Hokutan Horonai coal mine
1500.000
43°13′16″N 141°54′32″E / 43.221°N 141.909°E / 43.221; 141.909
Mikasa
Hokutan
1879–1989
Ishikari
Hokutan Ikushunbetsu Coal Mine
200.000
43°15′40″N 141°58′05″E / 43.261°N 141.968°E / 43.261; 141.968
Ikushunbetsu
Hokutan
1885–1957
Ishikari
Sumitomo Ponbetsu coal mine
1500.000
43°15′54″N 141°57′36″E / 43.265°N 141.960°E / 43.265; 141.960
Mikasa
Sumitomo
1902–1971
Ishikari
Sumitomo Yayoi coal mine
43°15′32″N 141°56′17″E / 43.259°N 141.938°E / 43.259; 141.938
Mikasa
Sumitomo
1905–1970
Ishikari
Mitsubishi Bibai coal mine
1600.000
43°20′02″N 141°58′08″E / 43.334°N 141.969°E / 43.334; 141.969
Bibai
Mitsubishi
1913–1972
Ishikari
Mitsui Bibai coal mine
1000.000
43°20′02″N 141°55′01″E / 43.334°N 141.917°E / 43.334; 141.917
Bibai
Mitsui
1918–1963
Ishikari
Hokutan Yūbari coal mine
2000.000
43°03′50″N 141°59′06″E / 43.064°N 141.985°E / 43.064; 141.985
Yūbari
Hokutan
1890–1977
Ishikari
Hokutan Mayachi coal mine
700.000
42°58′16″N 142°04′16″E / 42.971°N 142.071°E / 42.971; 142.071
Yūbari
Hokutan
1905–1987
Ishikari
Mitsubishi Ōyūbari coal mine
1000.000
43°05′49″N 142°05′42″E / 43.097°N 142.095°E / 43.097; 142.095
Yūbari
Mitsubishi
1906–1973
Ishikari
Hokutan Heiwa coal mine
1000.000
43°01′01″N 141°59′28″E / 43.017°N 141.991°E / 43.017; 141.991
Yūbari
Hokutan
1937–1975
Ishikari
Mitsubishi Minami Ōyūbari coal mine
43°01′44″N 142°05′24″E / 43.029°N 142.090°E / 43.029; 142.090
Yūbari
Mitsubishi
1966–1990
Ishikari
Hokutan Yūbari Shin coal mine
42°59′02″N 142°01′01″E / 42.984°N 142.017°E / 42.984; 142.017
Yūbari
Hokutan
1970–1981
Ishikari
Hokutan Manji coal mine
500.000
43°08′02″N 141°59′31″E / 43.134°N 141.992°E / 43.134; 141.992
Manji
Hokutan
1905–1976
Ishikari
Hokutan Miruto coal mine
Miruto
Hokutan
1917–1969
Ishikari
Hokutan Kakuta coal mine
Kakuta
Hokutan
1927–1953
Ishikari
Sumitomo Akabira coal mine
1900.000
43°32′53″N 142°03′22″E / 43.548°N 142.056°E / 43.548; 142.056
Akabira
Sumitomo
1895–1993
Ishikari
Moshiri coal mine
Akabira
Yūbetsu
1918–1969
Ishikari
Toyosato coal mine
Akabira
Toyosato Mining Company
1937–1954
Ishikari
Hokutan Akama coal mine
43°33′11″N 142°02′53″E / 43.553°N 142.048°E / 43.553; 142.048
Akabira
Hokutan
1938–1973
Ishikari
Sorachi coal mine
1500.000
43°30′40″N 142°03′07″E / 43.511°N 142.052°E / 43.511; 142.052
Utashinai
Hokutan
1890–1995
Ishikari
Hokutan Kamui coal mine
500.000
Utashinai
Hokutan
1891–1971
Ishikari
Sumitomo Kami Utashinai coal mine
300.000
43°31′26″N 142°03′07″E / 43.524°N 142.052°E / 43.524; 142.052
Utashinai
Sumitomo
1894–1988
Ishikari
Sumitomo Utashinai coal mine
800.000
Utashinai
Sumitomo
1905–1971
Ishikari
Mitsubishi Ashibetsu coal mine
300.000
Ashibetsu
Mitsubishi
1914–1964
Ishikari
Yuya coal mine
200.000
Utashinai
Yuya
19**–1965
Ishikari
Meiji mining kami Ashibetsu coal mine
100.000
Ashibetsu
Meiji mining
1935–1963
Ishikari
Takane coal mine
200.000
Ashibetsu
Takane
1938–1967
Ishikari
Mitsui Ashibetsu coal mine
1700.000
Ashibetsu
Mitsui
1939–1992
Ishikari
Mitsui Sunagawa coal mine
1600.000
43°28′01″N 142°00′47″E / 43.467°N 142.013°E / 43.467; 142.013
Kamisunagawa
Mitsui
1914–1987
Ishikari
Mitsui Oku Naie coal mine
460.000
Naie
Mitsui
1947–1966
Ishikari
Shōwa coal mine
Numata
Shōwa
1930–1969
Rumoi
Asano Uryū coal mine
Numata
Shōwa
1930–1968
Rumoi
Haboro coal mine
Happoro
Shōwa
1948–1970
Rumoi
Yoshio coal mine
33°38′00″N 130°42′40″E / 33.633466°N 130.711221°E / 33.633466; 130.711221
X
Asō
Chikuhō
Kamimio coal mine
33°37′16″N 130°42′59″E / 33.620987°N 130.716355°E / 33.620987; 130.716355
X
Asō
Chikuhō
Tsunawaki coal mine
33°38′09″N 130°43′49″E / 33.635951°N 130.730315°E / 33.635951; 130.730315
X
Asō
Chikuhō
Miike coal mine
33°00′50″N 130°27′22″E / 33.014°N 130.456°E / 33.014; 130.456
Ōmuta
Mitsui
1872–1997
Miike
Mitsi Ikeshima Coal Mine
32°53′06″N 129°36′04″E / 32.885°N 129.601°E / 32.885; 129.601
Ikeshima
Mitsubishi
2002
Nishisonogi
Mitsubishi Takashima Coal Mine
32°40′N 129°45′E / 32.66°N 129.75°E / 32.66; 129.75
Takashima
Mitsubishi
1984
Nishisonogi
Mitsubishi Hashima coal mine
32°37′41″N 129°44′17″E / 32.628°N 129.738°E / 32.628; 129.738
Hashima
Mitsubishi
1869–1974
Nishisonogi
Iriomote Coal Mine
130.000
Iriomote
Mitsui
1886–1960
Okinawa
Utara Coal Mine
30.000
Iriomote
Marusan Mining Company
1936–1943
Okinawa