Cobalt Mines Hockey League

The Cobalt Mines Hockey League was played in Northern Ontario from 1912 to 1914. The Cobalt O'Brien Mines won the league in 1914.
==Participating teams==
*1912-13: Cobalt O’Brien Mines, Cobalt McKinley Mines, Cobalt Lake
*1913-14: Cobalt O’Brien Mines, Cobalt Lake, Cobalt McKinley Mines, Nipissing
==Sources==
*SIHR - League Directory
Category:Defunct ice hockey leagues