Grand Lake Township is a township in Saint Louis County, Minnesota, United States. The population was 2,779 at the 2010 census.

The unincorporated community of Twig is in Grand Lake Township.

U.S. Highway 53 serves as a main route. Other routes include Industrial Road, Old Miller Trunk Highway, Munger Shaw Road, Bergstrom Road, Caribou Lake Road, and Canosia Road.

Grand Lake Township is in the unincorporated area of Saginaw.

Geography

According to the United States Census Bureau, the township has a total area of ; is land and , or 7.75%, is water.

The Cloquet River flows through the northern portion of Grand Lake Township. The Ush-kab-wan River flows through the northeast part of the township near Taft. The Beaver River briefly enters the east–central part of the township. The White Pine River briefly enters the south–central part of the township.

Sullivan Creek flows through the central portion of the township. Spring Creek and Chicken Creek flow through the northwest part of the township. Grand Lake, from which the township took its name, is located within the southwest part of the township.

Pike Lake and Caribou Lake are both partially located within Grand Lake Township.

Adjacent townships and communities

The following are adjacent to Grand Lake Township :

  • Canosia Township (east)
  • Fredenberg Township (east)
  • Solway Township (south)
  • Industrial Township (west)
  • New Independence Township (northwest)
  • Whiteface Reservoir Unorganized Territory (north and northeast)
  • The unincorporated community of Four Corners – Pike Lake business district (east-southeast)

Unincorporated communities

  • Bartlett
  • Harnell Park
  • Taft
  • Twig
  • Twig Station

The northern portion of Grand Lake Township is in the Cloquet Valley State Forest.

Seville Road runs east–west along Grand Lake Township's southern boundary line with adjacent Solway Township.

Solway Road runs north–south along Grand Lake Township's eastern boundary line with adjacent Canosia Township.

Crosby Road briefly runs north–south along Grand Lake Township's western boundary line with adjacent Industrial Township, near Little Grand Lake and Grand Lake.

County Road 8 briefly enters the west–central part of Grand Lake Township, near its intersection with U.S. Highway 53.

Demographics

As of the census