Fannie Lake
About Fannie Lake
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.
Plan Your Visit to Fannie Lake
- 360 acres, up to 33 feet deep, near Cambridge
- 2 public boat launches (concrete) — managed by the Minnesota DNR and county
- Game fish on the DNR survey: walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
- Average water clarity around 7.8 feet
- Listed as infested with Eurasian watermilfoil — clean, drain and dry before you leave
Access & Fees
- Public access
- 2 public boat launches (concrete)
- Launch fee
- Free at DNR accesses
- Managed by
- Minnesota DNR, county
Conditions
- Surface area
- 360 acres
- Max depth
- 33 ft
- Shoreline
- 6 mi
- Water clarity
- 7.8 ft
- Shallows (under 15 ft)
- 308 acres
Rules & Regulations
- A Minnesota fishing license is required for anglers 16 and older
- Drain plugs must be out and all water drained before leaving any access; remove aquatic plants from boats and trailers
- Children under 10 must wear a life jacket on a boat that is underway
Facilities
- 2 public boat launches (concrete)
Best For
- Walleye fishing
- Ice fishing
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 13
- Game fish
- 7
- Stocked
- Yes
- Last DNR survey
- 2022
- Special regulations
- No
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- Yes
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Activities
Amenities
Fish Species
Plan your trip to Fannie Lake
Compare Fannie Lake against the top-ranked lakes nearby, then map your route.
See how Fannie Lake ranks among fishing lakes nearby.
See how Fannie Lake ranks among boating lakes nearby.
See how Fannie Lake ranks among paddling lakes nearby.
See how Fannie Lake ranks among ice fishing lakes nearby.
Nearby Lakes
Skogman Lake
52 out of 100 Lake ScoreIsanti · Cambridge228 acres
2 miles away
Florence Lake
48 out of 100 Lake ScoreIsanti · Edgewood135 acres
2.2 miles away
Rabour Lake
39 out of 100 Lake ScoreChisago · Stark (Chisago)53 acres
5.7 miles away
Long Lake
8 out of 100 Lake ScoreIsanti · Grandy133 acres
5.9 miles away
Little Stanchfield Lake
46 out of 100 Lake ScoreIsanti · Grandy146 acres
6.1 miles away
Horseshoe Lake
51 out of 100 Lake ScoreChisago · Harris224 acres
6.8 miles away
Frequently Asked Questions
Where is Fannie Lake?
Fannie Lake is in Isanti County, Minnesota, near Cambridge. It covers 360 acres and reaches 33 feet deep.
How big and how deep is Fannie Lake?
Fannie Lake covers 360 acres with about 6 miles of shoreline. Its maximum depth is 33 feet.
What fish can you catch at Fannie Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, and Yellow Perch and other species. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Fannie Lake?
Yes. Fannie Lake has 2 public boat launches (concrete), managed by the Minnesota DNR and county. DNR public water accesses are free to use.
Can you swim at Fannie Lake?
There is no mapped public swim beach at Fannie Lake. Minnesota's public waters are open to swimming where you have legal access, but there are no lifeguards or water-quality monitoring away from designated beaches.
Is Fannie Lake stocked?
Yes. The Minnesota DNR has stocking records for Fannie Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.
Does Fannie Lake have invasive species?
Yes. The DNR lists Fannie Lake as infested with Eurasian watermilfoil. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.