Germfask Township is a civil township of Schoolcraft County in the U.S. state of Michigan. The population was 491 at the 2000 census.The unincorporated community of Germfask is located in the northern part of the township where the Manistique River crosses M-77 on the eastern edge of the Seney National Wildlife Refuge at 46°14′58″N 85°55′33″W.