1970-71 Northern Ontario Senior Playoffs

==Independent teams==
*Sault Ste Marie Canadians
*Thunder Bay Twins
Both teams played in the United States Hockey League.
==Final==
Best of 5
*Sault Ste Marie 7 Thunder Bay 4
*Sault Ste Marie 6 Thunder Bay 5
*Thunder Bay 4 Sault Ste Marie 1
*Thunder Bay 7 Sault Ste Marie 4
*Thunder Bay 6 Sault Ste Marie 1
Thunder Bay Twins beat Sault Ste Marie Canadians 3 games to 2.
Thunder Bay Twins advanced to the 1970-71 Eastern Canada Allan Cup Playoffs.
==See also==
List of Northern Ontario Senior Playoffs
Category:1971 in hockey
Category:Northern Ontario Senior Playoffs