Maple Lake
About Maple Lake
Maple Lake is a 1,641-acre lake near Mentor in Polk County, Minnesota. It reaches 14 feet at its deepest point, and has roughly 19.8 miles of shoreline. It is the largest lake in Polk County in the Minnesota DNR's LakeFinder records. DNR surveys put average water clarity at about 4.7 feet.
Minnesota DNR fisheries surveys list 12 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 2024.
There are 2 public boat launches (concrete surface) managed by the county. OpenStreetMap shows a swim beach on or beside the lake.
Plan Your Visit to Maple Lake
- 1,641 acres, up to 14 feet deep, near Mentor
- 2 public boat launches (concrete) — managed by the county
- Game fish on the DNR survey: walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
- Average water clarity around 4.7 feet
- Swim beach on or beside the lake
Access & Fees
- Public access
- 2 public boat launches (concrete)
- Launch fee
- Free at DNR accesses
- Managed by
- county
Conditions
- Surface area
- 1,641 acres
- Max depth
- 14 ft
- Shoreline
- 19.8 mi
- Water clarity
- 4.7 ft
- Shallows (under 15 ft)
- 1,576 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)
- 1 carry-in access
- Swim beach
- Fishing pier
Best For
- Walleye fishing
- Swimming and beach days
- Ice fishing
- Shore fishing from a pier
- 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
- 7
- Stocked
- Yes
- Last DNR survey
- 2024
- Special regulations
- No
- Fishing pier
- Yes
- 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 Maple Lake
Compare Maple Lake against the top-ranked lakes nearby, then map your route.
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See how Maple Lake ranks among ice fishing lakes nearby.
Nearby Lakes
Cable Lake
27 out of 100 Lake ScorePolk · Mentor194 acres
1.1 miles away
Lake Crystal
33 out of 100 Lake ScorePolk · Erskine118 acres
3.7 miles away
Union Lake
59 out of 100 Lake ScorePolk · Erskine887 acres
6.6 miles away
Cameron Lake
47 out of 100 Lake ScorePolk · Erskine225 acres
7.1 miles away
Lake Sarah
70 out of 100 Lake ScorePolk · Erskine366 acres
7.1 miles away
Badger Lake
55 out of 100 Lake ScorePolk · Erskine256 acres
7.5 miles away
Frequently Asked Questions
Where is Maple Lake?
Maple Lake is in Polk County, Minnesota, near Mentor. It covers 1,641 acres and reaches 14 feet deep.
How big and how deep is Maple Lake?
Maple Lake covers 1,641 acres with about 19.8 miles of shoreline. Its maximum depth is 14 feet.
What fish can you catch at Maple 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 Maple Lake?
Yes. Maple Lake has 2 public boat launches (concrete), managed by the county. DNR public water accesses are free to use.
Can you swim at Maple Lake?
Yes. A swim beach is mapped on or beside the lake. Most Minnesota beaches have no lifeguard, so swim at your own risk and check for beach advisories.
Is Maple Lake stocked?
Yes. The Minnesota DNR has stocking records for Maple Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.