---
type: lake
name: "Fannie Lake"
county: "Isanti"
nearest_town: "Cambridge"
lake_type: "lake"
acres: 360
max_depth_ft: 33
latitude: 45.55444
longitude: -93.18346
lake_score: 55
dnr_lake_id: "30004300"
url: https://www.minnelakes.org/lakes/isanti-county/fannie-lake
---

# Fannie Lake

Lake in Isanti County, Minnesota, near Cambridge

- **Surface Area**: 360 acres
- **Max Depth**: 33 ft
- **Shoreline**: 6 miles
- **Water Clarity**: 7.8 ft
- **Lake Type**: lake
- **Public Access**: 2 public boat launches (concrete)
- **Lake Score**: 55/100 (composite of public data, not a visitor rating)

## About

Fannie Lake is a 360-acre lake near Cambridge in Isanti County, Minnesota. It reaches 33 feet at its deepest point, and has roughly 6 miles of shoreline. DNR surveys put average water clarity at about 7.8 feet.

Minnesota DNR fisheries surveys list 13 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 2022.

There are 2 public boat launches (concrete surface) managed by the Minnesota DNR and county. The lake is listed as infested with Eurasian watermilfoil — clean, drain and dry your boat and gear before leaving.

## Access

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

## Fishing

- **Species on DNR survey**: 13
- **Stocked**: Yes
- **Last DNR survey**: 2022
- **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, Black Bullhead, Bowfin, Green Sunfish, Hybrid Sunfish, White Sucker, Yellow Bullhead

## Invasive Species

Eurasian watermilfoil. Clean, drain and dry boats and gear before leaving.

## Nearby Lakes

- [Skogman Lake](https://www.minnelakes.org/lakes/isanti-county/skogman-lake) - 2 miles, 228 acres
- [Florence Lake](https://www.minnelakes.org/lakes/isanti-county/florence-lake) - 2.2 miles, 135 acres
- [Rabour Lake](https://www.minnelakes.org/lakes/chisago-county/rabour-lake) - 5.7 miles, 53 acres
- [Long Lake](https://www.minnelakes.org/lakes/isanti-county/long-lake-grandy) - 5.9 miles, 133 acres
- [Little Stanchfield Lake](https://www.minnelakes.org/lakes/isanti-county/little-stanchfield-lake) - 6.1 miles, 146 acres
- [Horseshoe Lake](https://www.minnelakes.org/lakes/chisago-county/horseshoe-lake) - 6.8 miles, 224 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=45.55444,-93.18346)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=30004300)
- [All lakes in Isanti County](https://www.minnelakes.org/lakes/isanti-county)

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