---
type: lake
name: "Mule Lake"
county: "Cass"
nearest_town: "Longville"
lake_type: "lake"
acres: 525
max_depth_ft: 47
latitude: 46.91188
longitude: -94.26403
lake_score: 66
dnr_lake_id: "11020000"
url: https://www.minnelakes.org/lakes/cass-county/mule-lake
---

# Mule Lake

Lake in Cass County, Minnesota, near Longville

- **Surface Area**: 525 acres
- **Max Depth**: 47 ft
- **Shoreline**: 7.3 miles
- **Water Clarity**: 18.4 ft
- **Lake Type**: lake
- **Public Access**: 2 public boat launches (asphalt)
- **Lake Score**: 66/100 (composite of public data, not a visitor rating)

## About

Mule Lake is a 525-acre lake near Longville in Cass County, Minnesota. It reaches 47 feet at its deepest point, and has roughly 7.3 miles of shoreline. DNR surveys put average water clarity at about 18.4 feet, which is exceptionally clear for Minnesota.

Minnesota DNR fisheries surveys list 11 fish species here, including walleye, northern pike, largemouth bass, smallmouth bass, black crappie, and bluegill. 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 walleye, and they override the statewide limits. The most recent fisheries survey on file dates to 2023.

There are 2 public boat launches (asphalt surface) managed by the Minnesota DNR. Ice typically goes out around April 19, based on 10 years of DNR ice-out records.

## Access

- **Public access**: 2 public boat launches (asphalt)
- **Managed by**: Minnesota DNR
- **Launch fee**: Free at DNR public water accesses

## Fishing

- **Species on DNR survey**: 11
- **Stocked**: Yes
- **Last DNR survey**: 2023
- **Special regulations**: Yes
- **Ice fishing**: Yes

### Special Regulations

- **Walleye**: Possession limit three.

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Northern Pike, Largemouth Bass, Smallmouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Rock Bass, Hybrid Sunfish, White Sucker

## Ice-Out

- **Median ice-out**: April 19
- **Years of record**: 10
- **Earliest**: 2017-04-05
- **Latest**: 2022-05-07

## Nearby Lakes

- [Blackwater Lake](https://www.minnelakes.org/lakes/cass-county/blackwater-lake) - 1.9 miles, 771 acres
- [Hunter Lake](https://www.minnelakes.org/lakes/cass-county/hunter-lake) - 1.9 miles, 182 acres
- [Lake Wabedo](https://www.minnelakes.org/lakes/cass-county/lake-wabedo) - 2.1 miles, 1,226 acres
- [Hay Lake](https://www.minnelakes.org/lakes/cass-county/hay-lake) - 3 miles, 364 acres
- [Island Lake](https://www.minnelakes.org/lakes/cass-county/island-lake-longville) - 3.2 miles, 184 acres
- [Widow Lake](https://www.minnelakes.org/lakes/cass-county/widow-lake) - 3.3 miles, 198 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=46.91188,-94.26403)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=11020000)
- [All lakes in Cass County](https://www.minnelakes.org/lakes/cass-county)

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