Midwest Region•State Capital: Springfield
Lakes in Illinois
Illinois borders the southwestern shore of Lake Michigan along Chicago and contains major prairie flood control reservoirs like Carlyle Lake and Lake Shelbyville. Explore interactive maps, depths, surface areas, public boat ramps, and fishing spots for lakes across Illinois.
Estimated Water Bodies
2,900+
Freshwater Basins
State Capital
Springfield
IL
Largest Cataloged Lake
In Survey
USGS Data
Deepest Cataloged Lake
In Survey
USGS Data
Interactive Lake Map of Illinois
Illinois Lake Directory
Showing 0 verified lakes in Illinois
No lakes matched "".
Frequently Asked Questions about Lakes in Illinois
What is the largest lake in Illinois?
Illinois contains numerous natural and impoundment basins monitored by state wildlife agencies.
How many lakes does Illinois have?
Official hydrological estimates catalog over 2,900 named lakes, reservoirs, ponds, and impoundments across Illinois.