Grosse Ile (Michigan)

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Grosse Ile
Grosse Ile Michigan aerial Jan2016.jpg
Aerial view of Grosse Ile in January 2016
Grosse Ile is located in Wayne County, Michigan
Grosse Ile
Grosse Ile
Location within the State of Michigan
Grosse Ile is located in Michigan
Grosse Ile
Grosse Ile
Location within the United States
Grosse Ile is located in the United States
Grosse Ile
Grosse Ile
Grosse Ile (the United States)
LocationDetroit River
Coordinates42°07′48″N 83°09′37″W / 42.13000°N 83.16028°W / 42.13000; -83.16028Coordinates: 42°07′48″N 83°09′37″W / 42.13000°N 83.16028°W / 42.13000; -83.16028
Area9.60 sq mi (24.9 km2)
TownshipGrosse Ile
Additional information
Time zone
 • Summer (DST)

Grosse Ile (/ˌɡrs ˈl/ grows-EEL) is an American island in Wayne County in the U.S. state of Michigan.[1] Located just east of the Canada–United States border in the Detroit River, it is the largest island in the river and the most-populated island in the state of Michigan. The island is administered by Grosse Ile Township.


The island was first explored and named by French explorers, who dubbed it as Grosse Île, which means "large island" in the French language. Originally occupied by Native Americans, the island was given to the early French explorers by the Potawatomi in 1776. The Potawatomi referred to the island as Kitcheminishen. Brothers William and Alexander Macomb, merchants and fur traders from Albany, New York and Detroit, bought the island from the Potawatomi, becoming the first European-American owners.[2]

The brothers had the island surveyed in 1819, and it was included into Monguagon Township in 1829. The island remained sparsely populated and an independent community, but it did not gain autonomy until the formation of Grosse Ile Township on October 27, 1914.[3] The island of Grosse Ile is considered an affluent part of the Downriver community just south of the city of Detroit.


The island is bordered on the west by the Trenton Channel and on the east by the Livingston Channel The island itself is divided by two canals. The area on the north, known as Hennepin Point, is undeveloped and the site of a historic lighthouse.[4] The Grosse Ile Municipal Airport occupies the southernmost area of the island. Grosse Ile is at the center of the Detroit River International Wildlife Refuge.

While the majority of the township's residences live on Grosse Ile, the township itself contains over a dozen smaller islands—some of which are populated. Local residents sometimes refer to Grosse Ile as the Big Island, Main Island, or simply The Island to distinguish it from the township as a whole. The island is connected to the mainland by the Grosse Ile Toll Bridge and the Wayne County Bridge, both of which connect to West Jefferson Avenue.

See also[edit]


  1. ^ U.S. Geological Survey Geographic Names Information System: Grosse Ile
  2. ^ Karmazin, Nancy (26 Aug 2009). "Welcome to Grosse Ile, Michigan". Retrieved December 13, 2009. CS1 maint: discouraged parameter (link)
  3. ^ Catlin, George B. (2005). "Local history of Detroit and Wayne County (p. 104)". Retrieved December 12, 2009. CS1 maint: discouraged parameter (link)
  4. ^ Loftus, Brian E. (2009). "Grosse Ile North Channel Range Front Light". Retrieved December 13, 2009. CS1 maint: discouraged parameter (link)