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Lake Monroe

Southeast of Bloomington, near Indiana University, Lake Monroe, also known as Monroe Lake or Monroe Reservoir, is Indiana's largest lake, covering 10,750 acres through portions of Monroe, Jackson and Brown counties.

On the south shore, nestled in the gorgeous countryside of Indiana's federally protected Hoosier National Forest Purchase Area is the Charles C. Deam Wilderness Area, which is home to three state recreational areas. Activities include boating, water skiing, swimming, fishing, camping and picnicking.


Lake Monroe provides fishing opportunities throughout the year as its abundant fish populations makes for successful fishing trips. Several fishing piers enable anglers another option to fishing from a boat or shore.

Managed as a cooperative effort between the US Army Corps of Engineers and the Indiana Department of Natural Resources (DNR), Lake Monroe is home to approximately 30 game and nongame fish species. Bluegill, largemouth bass, hybrid striped bass (wipers), catfish, black crappie, white crappie and walleye abound in this lake. The DNR stocks the lake with walleye, crappie, largemouth bass, catfish and wipers on an annual basis.


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    Lake Monroe Indiana Coordinates:
39.0924N -86.4239W
Map It:
Lake Type:
Surface Area:
10,750 acres
Maximum Depth:
38 ft
538 ft
Normal Water Clarity:
3 - 6 ft
Major City:


There are no horsepower or size limits for motorboats on Lake Monroe, which allows for unencumbered opportunities for water sports' lovers.

Several Marinas, boat rental facilities, launch ramps and supply stores are available all around the lake.

Please consult the Lake Resource Guidefor more information on boating sales, service and rentals in the area.


Monroe Lake lodging options include campgrounds with over 300 campsites, most of which provide electric hookups and showers.

The Lake Resource Guide offers additional information on lodging and other facilities in the area.


The closest major city to Lake Monroe is Bloomington. Other nearby cities: Bedford, Smithville, Harrodsburg, Sanders and Elkinsville. Lake Monroe flows through parts of Monroe, Brown and Jackson counties.

Fun times at Lake Monroe  Lake Monroe

  Lake Monroe   Lake Monroe

Average Temperatures Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High  37 Avg. High  42 Avg. High  53 Avg. High  64 Avg. High  74 Avg. High  82 Avg. High  85 Avg. High  85 Avg. High  78 Avg. High  66 Avg. High  54 Avg. High  41
Avg. Low  20 Avg. Low  23 Avg. Low  32 Avg. Low  42 Avg. Low  52 Avg. Low  62 Avg. Low  65 Avg. Low  64 Avg. Low  55 Avg. Low  44 Avg. Low  35 Avg. Low  24