---
type: lake
name: "Black Duck Lake"
county: "St. Louis"
nearest_town: "Ash Lake"
lake_type: "lake"
acres: 1250
max_depth_ft: 30
latitude: 48.20311
longitude: -92.81903
lake_score: 62
dnr_lake_id: "69084200"
url: https://www.minnelakes.org/lakes/st-louis-county/black-duck-lake
---

# Black Duck Lake

Lake in St. Louis County, Minnesota, near Ash Lake

- **Surface Area**: 1,250 acres
- **Max Depth**: 30 ft
- **Shoreline**: 12.1 miles
- **Water Clarity**: 12.4 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 62/100 (composite of public data, not a visitor rating)

## About

Black Duck Lake is a 1,250-acre lake near Ash Lake in St. Louis County, Minnesota. It reaches 30 feet at its deepest point, and has roughly 12.1 miles of shoreline. DNR surveys put average water clarity at about 12.4 feet, clearer than most lakes in the state.

Minnesota DNR fisheries surveys list 8 fish species here, including walleye, northern pike, smallmouth bass, black crappie, bluegill, and pumpkinseed. Special fishing regulations apply to sunfish, and they override the statewide limits. The most recent fisheries survey on file dates to 2023.

There is one public boat launch (concrete surface) managed by the Minnesota DNR. Ice typically goes out around April 18, based on 12 years of DNR ice-out records.

## 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**: 8
- **Stocked**: No
- **Last DNR survey**: 2023
- **Special regulations**: Yes
- **Ice fishing**: Yes

### Special Regulations

- **Sunfish**: Daily limit 10.

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Northern Pike, Smallmouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, White Sucker

## Ice-Out

- **Median ice-out**: April 18
- **Years of record**: 12
- **Earliest**: 2012-03-19
- **Latest**: 2022-05-10

## Nearby Lakes

- [Elephant Lake](https://www.minnelakes.org/lakes/st-louis-county/elephant-lake) - 3.5 miles, 728 acres
- [Silver Lake](https://www.minnelakes.org/lakes/st-louis-county/silver-lake) - 3.7 miles, 129 acres
- [Chub Lake](https://www.minnelakes.org/lakes/st-louis-county/chub-lake) - 3.9 miles, 126 acres
- [Ash Lake](https://www.minnelakes.org/lakes/st-louis-county/ash-lake) - 5.4 miles, 690 acres
- [Bell Lake](https://www.minnelakes.org/lakes/st-louis-county/bell-lake) - 7.8 miles, 110 acres
- [Long Lake](https://www.minnelakes.org/lakes/st-louis-county/long-lake) - 8.3 miles, 478 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=48.20311,-92.81903)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=69084200)
- [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/black-duck-lake)*