Loon Lake
About Loon Lake
Loon Lake is a 231-acre lake near Grand Rapids in Itasca County, Minnesota. It reaches 69 feet at its deepest point, and has roughly 3.6 miles of shoreline. DNR surveys put average water clarity at about 15 feet, which is exceptionally clear for Minnesota.
Minnesota DNR fisheries surveys list 12 fish species here, including walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. The most recent fisheries survey on file dates to 2025.
There is one public boat launch (gravel or earth surface) managed by the county. Ice typically goes out around April 18, based on 16 years of DNR ice-out records.
Plan Your Visit to Loon Lake
- 231 acres, up to 69 feet deep, near Grand Rapids
- 1 public boat launch (gravel or earth) — managed by the county
- Game fish on the DNR survey: walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
- Average water clarity around 15 feet — very clear
Access & Fees
- Public access
- 1 public boat launch (gravel or earth)
- Launch fee
- Free at DNR accesses
- Managed by
- county
Conditions
- Surface area
- 231 acres
- Max depth
- 69 ft
- Shoreline
- 3.6 mi
- Water clarity
- 15 ft
- Shallows (under 15 ft)
- 112 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
- 1 public boat launch (gravel or earth)
Best For
- Walleye fishing
- Quiet paddling
- 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
- 12
- Game fish
- 9
- Stocked
- No
- Last DNR survey
- 2025
- 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.
Ice-Out History
- Median ice-out
- April 18
- Years of record
- 16
- Earliest
- March 25, 2012
- Latest
- May 14, 2013
- Most recent
- April 5, 2021
See every lake on the ice-out tracker. Ice-out data: Minnesota DNR State Climatology Office.
Activities
Amenities
Fish Species
Plan your trip to Loon Lake
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Nearby Lakes
Long Lake
63 out of 100 Lake ScoreItasca · Grand Rapids134 acres
0.5 miles away
Jay Gould Lake
59 out of 100 Lake ScoreItasca · Cohasset552 acres
1 miles away
Tioga Mine Pit
64 out of 100 Lake ScoreItasca · Cohasset49 acres
1.5 miles away
Little Jay Gould Lake
62 out of 100 Lake ScoreItasca · Cohasset150 acres
1.6 miles away
Guile Lake
59 out of 100 Lake ScoreItasca · Cohasset88 acres
1.7 miles away
Blackwater Lake
55 out of 100 Lake ScoreItasca · Cohasset601 acres
2.1 miles away
Frequently Asked Questions
Where is Loon Lake?
Loon Lake is in Itasca County, Minnesota, near Grand Rapids. It covers 231 acres and reaches 69 feet deep.
How big and how deep is Loon Lake?
Loon Lake covers 231 acres with about 3.6 miles of shoreline. Its maximum depth is 69 feet.
What fish can you catch at Loon Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Tullibee (Cisco), and Rock Bass and other species. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Loon Lake?
Yes. Loon Lake has 1 public boat launch (gravel or earth), managed by the county. DNR public water accesses are free to use.
Can you swim at Loon Lake?
There is no mapped public swim beach at Loon 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 Loon Lake stocked?
The DNR has no stocking report on file for Loon Lake; its fishery is sustained by natural reproduction or has not been stocked recently.
When does the ice go out on Loon Lake?
The median ice-out date is April 18, from 16 years of Minnesota DNR records. The earliest on record is March 25, 2012 and the latest is May 14, 2013.