---
type: lake
name: "Lake Madison"
county: "Blue Earth"
nearest_town: "Madison Lake"
lake_type: "lake"
acres: 1447
max_depth_ft: 59
latitude: 44.18622
longitude: -93.79985
lake_score: 61
dnr_lake_id: "07004400"
url: https://www.minnelakes.org/lakes/blue-earth-county/lake-madison
---

# Lake Madison

Lake in Blue Earth County, Minnesota, near Madison Lake

- **Surface Area**: 1,447 acres
- **Max Depth**: 59 ft
- **Shoreline**: 12.4 miles
- **Water Clarity**: 2.3 ft
- **Lake Type**: lake
- **Public Access**: 3 public boat launches (concrete)
- **Lake Score**: 61/100 (composite of public data, not a visitor rating)

## About

Lake Madison is a 1,447-acre lake near Madison Lake in Blue Earth County, Minnesota. It reaches 59 feet at its deepest point, and has roughly 12.4 miles of shoreline. It is the largest lake in Blue Earth County in the Minnesota DNR's LakeFinder records. DNR surveys put average water clarity at about 2.3 feet, so expect stained or algae-tinted water in summer.

Minnesota DNR fisheries surveys list 20 fish species here, including walleye, northern pike, largemouth bass, black crappie, white crappie, and bluegill. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. The most recent fisheries survey on file dates to 2025.

There are 3 public boat launches (concrete surface) managed by the county, Minnesota DNR, and city. RV Sites and RV Back-in Sites are mapped close to the shoreline for overnight stays. The lake is listed as infested with Eurasian watermilfoil — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 6, based on 109 years of DNR ice-out records.

## Access

- **Public access**: 3 public boat launches (concrete)
- **Managed by**: county, Minnesota DNR, city
- **Launch fee**: Free at DNR public water accesses

## Fishing

- **Species on DNR survey**: 20
- **Stocked**: Yes
- **Last DNR survey**: 2025
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling, Camping

## Amenities

Boat Ramp, Campground

### Campgrounds

- RV Sites
- RV Back-in Sites
- Overflow Campground
- Tent Camping

## Fish Species

Walleye, Northern Pike, Largemouth Bass, Black Crappie, White Crappie, Bluegill, Yellow Perch, Channel Catfish, White Bass, Bigmouth Buffalo, Black Bullhead, Bowfin, Common Carp, Freshwater Drum, Gizzard Shad, Quillback, River Carpsucker, Shortnose Gar, White Sucker, Yellow Bullhead

## Invasive Species

Eurasian watermilfoil. Clean, drain and dry boats and gear before leaving.

## Ice-Out

- **Median ice-out**: April 6
- **Years of record**: 109
- **Earliest**: 1931-03-04
- **Latest**: 2018-04-30

## Nearby Lakes

- [Duck Lake](https://www.minnelakes.org/lakes/blue-earth-county/duck-lake) - 2.3 miles, 290 acres
- [Ballantyne Lake](https://www.minnelakes.org/lakes/blue-earth-county/ballantyne-lake) - 2.4 miles, 371 acres
- [Eagle Lake](https://www.minnelakes.org/lakes/blue-earth-county/eagle-lake) - 4.6 miles, 898 acres
- [George Lake](https://www.minnelakes.org/lakes/blue-earth-county/george-lake) - 4.8 miles, 88 acres
- [Frances Lake](https://www.minnelakes.org/lakes/le-sueur-county/frances-lake) - 5.2 miles, 927 acres
- [Swede's Bay](https://www.minnelakes.org/lakes/le-sueur-county/swede-s-bay) - 5.3 miles, 507 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=44.18622,-93.79985)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=07004400)
- [All lakes in Blue Earth County](https://www.minnelakes.org/lakes/blue-earth-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/blue-earth-county/lake-madison)*