Fladmark Lake
About Fladmark Lake
Fladmark Lake is a 59-acre lake near Erhard in Otter Tail County, Minnesota. It reaches 45 feet at its deepest point, and has roughly 1.7 miles of shoreline. DNR surveys put average water clarity at about 20.7 feet, which is exceptionally clear for Minnesota.
Minnesota DNR fisheries surveys list 9 fish species here, including northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. Special fishing regulations apply to black and white crappie, largemouth and smallmouth bass, northern pike, and sunfish, and they override the statewide limits. The most recent fisheries survey on file dates to 2018.
There is one public boat launch (gravel or earth surface) managed by the Minnesota DNR.
Plan Your Visit to Fladmark Lake
- 59 acres, up to 45 feet deep, near Erhard
- 1 public boat launch (gravel or earth) — managed by the Minnesota DNR
- Game fish on the DNR survey: northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed
- Special fishing regulations apply here and override the statewide limits
- Average water clarity around 20.7 feet — very clear
Access & Fees
- Public access
- 1 public boat launch (gravel or earth)
- Launch fee
- Free at DNR accesses
- Managed by
- Minnesota DNR
Conditions
- Surface area
- 59 acres
- Max depth
- 45 ft
- Shoreline
- 1.7 mi
- Water clarity
- 20.7 ft
- Shallows (under 15 ft)
- 21 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
- Quiet paddling
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 9
- Game fish
- 5
- Stocked
- No
- Last DNR survey
- 2018
- Special regulations
- Yes
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- Yes
Special regulations on this lake
- Black and White Crappie: Possession limit five.
- Largemouth and Smallmouth Bass, Northern Pike: Catch-and-release only.
- Sunfish: Possession limit 10.
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Activities
Amenities
Fish Species
Plan your trip to Fladmark Lake
Compare Fladmark Lake against the top-ranked lakes nearby, then map your route.
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West Silent Lake
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South Lida Lake
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Frequently Asked Questions
Where is Fladmark Lake?
Fladmark Lake is in Otter Tail County, Minnesota, near Erhard. It covers 59 acres and reaches 45 feet deep.
How big and how deep is Fladmark Lake?
Fladmark Lake covers 59 acres with about 1.7 miles of shoreline. Its maximum depth is 45 feet.
What fish can you catch at Fladmark Lake?
Minnesota DNR surveys list Northern Pike, Largemouth Bass, Black Crappie, Bluegill, and Pumpkinseed. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Fladmark Lake?
Yes. Fladmark Lake has 1 public boat launch (gravel or earth), managed by the Minnesota DNR. DNR public water accesses are free to use.
Can you swim at Fladmark Lake?
There is no mapped public swim beach at Fladmark 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 Fladmark Lake stocked?
The DNR has no stocking report on file for Fladmark Lake; its fishery is sustained by natural reproduction or has not been stocked recently.
Are there special fishing regulations on Fladmark Lake?
Yes. Possession limit five. Catch-and-release only. Additional lake-specific rules apply; check the DNR regulations before you fish.