Grand Ledge is a city in the U.S. state of Michigan. The city lies mostly within Eaton County, though a small portion extends into Clinton County to the north. The city sits along the Grand River 12.7 miles west of downtown Lansing. The population was 7,786 at the 2010 census. The city is named for its sandstone rock ledges that rise 40 feet (12 m) above the Grand River and are used by recreational rock climbers.

Eaton County is a county in the U.S. state of Michigan. As of the 2020 United States Census, the population was 109,175. The county seat is Charlotte. The county was organized in 1837 and was named for John Eaton, who was Secretary of War under U.S. President Andrew Jackson, making it one of Michigan's Cabinet counties. Eaton County is included in the Lansing-East Lansing, Metropolitan Statistical area in Central Michigan.