---
type: lake
name: "Prairie Lake"
county: "St. Louis"
nearest_town: "Flood Wood"
lake_type: "lake"
acres: 794
max_depth_ft: 47
latitude: 46.79159
longitude: -92.90383
lake_score: 56
dnr_lake_id: "69084800"
url: https://www.minnelakes.org/lakes/st-louis-county/prairie-lake
---

# Prairie Lake

Lake in St. Louis County, Minnesota, near Flood Wood

- **Surface Area**: 794 acres
- **Max Depth**: 47 ft
- **Shoreline**: 8.2 miles
- **Water Clarity**: 4.6 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 56/100 (composite of public data, not a visitor rating)

## About

Prairie Lake is a 794-acre lake near Flood Wood in St. Louis County, Minnesota. It reaches 47 feet at its deepest point, and has roughly 8.2 miles of shoreline. DNR surveys put average water clarity at about 4.6 feet.

Minnesota DNR fisheries surveys list 15 fish species here, including walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. 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 is one public boat launch (concrete surface) managed by the Minnesota DNR.

## Access

- **Public access**: 1 public boat launch (concrete)
- **Managed by**: Minnesota DNR
- **Launch fee**: Free at DNR public water accesses

## Fishing

- **Species on DNR survey**: 15
- **Stocked**: Yes
- **Last DNR survey**: 2025
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Tullibee (Cisco), Rock Bass, Bowfin, Brown Bullhead, Hybrid Sunfish, Shorthead Redhorse, White Sucker, Yellow Bullhead

## Nearby Lakes

- [Heikkila Lake](https://www.minnelakes.org/lakes/st-louis-county/heikkila-lake) - 2.9 miles, 107 acres
- [Cross Lake](https://www.minnelakes.org/lakes/carlton-county/cross-lake) - 4.7 miles, 107 acres
- [Upper (North) Island Lake](https://www.minnelakes.org/lakes/carlton-county/upper-north-island-lake) - 7.4 miles, 114 acres
- [Lower (South) Island Lake](https://www.minnelakes.org/lakes/carlton-county/lower-south-island-lake) - 8.6 miles, 320 acres
- [Tamarack Lake](https://www.minnelakes.org/lakes/carlton-county/tamarack-lake) - 9.9 miles, 235 acres
- [Eagle Lake](https://www.minnelakes.org/lakes/carlton-county/eagle-lake) - 10.2 miles, 389 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=46.79159,-92.90383)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=69084800)
- [All lakes in St. Louis County](https://www.minnelakes.org/lakes/st-louis-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/st-louis-county/prairie-lake)*