Carlyle Lake

Carlyle Lake is a 25,000-acre (101.2 km2) reservoir largely located in Clinton County, Illinois, United States, with smaller portions of the lake within Bond and Fayette counties. It is the largest man-made lake in Illinois, and the largest lake wholly contained within the state.

Carlyle is a city in Clinton County, Illinois, United States. The population was 3,253 at the 2020 census. It is the county seat of Clinton County.Carlyle is located approximately 50 miles (80 km) east of St. Louis, Missouri, and is home to Illinois' largest man-made lake, Carlyle Lake, and to the General Dean Suspension Bridge, a suspension bridge that is the only one of its kind in Illinois and crosses the Kaskaskia River.

The General Dean Suspension Bridge spans the Kaskaskia River at Carlyle in Clinton County, Illinois, United States. It is named after Major General William F. Dean, a native of Carlyle who served during the Korean War. The bridge is listed on the National Register of Historic Places. It was added to the Register in 1973.

The Clinton County Courthouse is a government building in Carlyle, the county seat of Clinton County, Illinois, United States. Built in 1999, this new structure is the county's third courthouse; it replaced a building that had been in use since the 1840s.

Carlyle Township is one of fifteen townships in Clinton County, Illinois, USA. As of the 2020 census, its population was 3,842 and it contained 1,764 housing units.