High Lake Township is one of twelve townships in Emmet County, Iowa, United States.

As of the 2000 census, its population was 461.

[1] According to the United States Census Bureau, High Lake Township covers an area of 35.71 square miles (92.5 square kilometers); of this, 33.38 square miles (86.47 square kilometers, 93.48 percent) is land and 2.33 square miles (6.03 square kilometers, 6.52 percent) is water.

The township contains these two cemeteries: High Lake and Wallingford.