---
type: lake
name: "Little Boy Lake"
county: "Cass"
nearest_town: "Longville"
lake_type: "lake"
acres: 1452
max_depth_ft: 74
latitude: 46.94111
longitude: -94.18942
lake_score: 74
dnr_lake_id: "11016700"
url: https://www.minnelakes.org/lakes/cass-county/little-boy-lake
---

# Little Boy Lake

Lake in Cass County, Minnesota, near Longville

- **Surface Area**: 1,452 acres
- **Max Depth**: 74 ft
- **Shoreline**: 10 miles
- **Water Clarity**: 12.7 ft
- **Lake Type**: lake
- **Public Access**: 1 public boat launch (concrete)
- **Lake Score**: 74/100 (composite of public data, not a visitor rating)

## About

Little Boy Lake is a 1,452-acre lake near Longville in Cass County, Minnesota. It reaches 74 feet at its deepest point, and has roughly 10 miles of shoreline. DNR surveys put average water clarity at about 12.7 feet, clearer than most lakes in the state.

Minnesota DNR fisheries surveys list 17 fish species here, including walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, and black crappie. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. Special fishing regulations apply to northern pike and walleye, and they override the statewide limits. The most recent fisheries survey on file dates to 2024.

There is one public boat launch (concrete surface) managed by the Minnesota DNR. OpenStreetMap shows a swim beach on or beside the lake. The lake is listed as infested with zebra mussel — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 21, based on 24 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**: 17
- **Stocked**: Yes
- **Last DNR survey**: 2024
- **Special regulations**: Yes
- **Ice fishing**: Yes

### Special Regulations

- **Northern Pike**: All from 24-36" must be immediately released. Possession limit three, only one over 36".
- **Walleye**: All from 18-26" must be immediately released. One over 26" allowed in possession. Possession limit four.

## Activities

Fishing, Ice Fishing, Boating, Paddling, Swimming

## Amenities

Boat Ramp, Swim Beach

## Fish Species

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

## Invasive Species

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

## Ice-Out

- **Median ice-out**: April 21
- **Years of record**: 24
- **Earliest**: 2012-03-27
- **Latest**: 2013-05-13

## Nearby Lakes

- [Cooper Lake](https://www.minnelakes.org/lakes/cass-county/cooper-lake) - 1.7 miles, 133 acres
- [Rice Lake](https://www.minnelakes.org/lakes/cass-county/rice-lake) - 1.9 miles, 270 acres
- [Hunter Lake](https://www.minnelakes.org/lakes/cass-county/hunter-lake) - 2.1 miles, 182 acres
- [Lake Wabedo](https://www.minnelakes.org/lakes/cass-county/lake-wabedo) - 2.7 miles, 1,226 acres
- [Girl Lake](https://www.minnelakes.org/lakes/cass-county/girl-lake) - 3.5 miles, 428 acres
- [Inguadona Lake](https://www.minnelakes.org/lakes/cass-county/inguadona-lake) - 3.6 miles, 1,133 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=46.94111,-94.18942)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=11016700)
- [All lakes in Cass County](https://www.minnelakes.org/lakes/cass-county)

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