---
type: lake
name: "Boy Lake"
county: "Cass"
nearest_town: "Boy River"
lake_type: "lake"
acres: 3308
max_depth_ft: 45
latitude: 47.10264
longitude: -94.15045
lake_score: 59
dnr_lake_id: "11014300"
url: https://www.minnelakes.org/lakes/cass-county/boy-lake
---

# Boy Lake

Lake in Cass County, Minnesota, near Boy River

- **Surface Area**: 3,308 acres
- **Max Depth**: 45 ft
- **Shoreline**: 21.6 miles
- **Water Clarity**: 8.6 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 59/100 (composite of public data, not a visitor rating)

## About

Boy Lake is a 3,308-acre lake near Boy River in Cass County, Minnesota. It reaches 45 feet at its deepest point, and has roughly 21.6 miles of shoreline. DNR surveys put average water clarity at about 8.6 feet.

Minnesota DNR fisheries surveys list 20 fish species here, including walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, and black crappie. Special fishing regulations apply to crappie and sunfish, and they override the statewide limits. The most recent fisheries survey on file dates to 2025.

There is one public boat launch (concrete surface) managed by the Minnesota DNR. The lake is listed as infested with zebra mussel — clean, drain and dry your boat and gear before leaving.

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

### Special Regulations

- **Crappie**: Daily limit five.
- **Sunfish**: Daily limit 10.

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

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

## Invasive Species

zebra mussel. Clean, drain and dry boats and gear before leaving.

## Nearby Lakes

- [Lomish Lake](https://www.minnelakes.org/lakes/cass-county/lomish-lake) - 2.1 miles, 305 acres
- [Swift Lake](https://www.minnelakes.org/lakes/cass-county/swift-lake) - 3.2 miles, 357 acres
- [Town Line Lake](https://www.minnelakes.org/lakes/cass-county/town-line-lake) - 3.5 miles, 698 acres
- [Mabel Lake](https://www.minnelakes.org/lakes/cass-county/mabel-lake) - 5 miles, 184 acres
- [Long Lake](https://www.minnelakes.org/lakes/cass-county/long-lake) - 6 miles, 1,007 acres
- [Kego Lake](https://www.minnelakes.org/lakes/cass-county/kego-lake) - 6.1 miles, 121 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=47.10264,-94.15045)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=11014300)
- [All lakes in Cass County](https://www.minnelakes.org/lakes/cass-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/cass-county/boy-lake)*
