Twenty-one Lake
About Twenty-one Lake
Twenty-one Lake is a 142-acre lake near Erhard in Otter Tail County, Minnesota. It reaches 47 feet at its deepest point, and has roughly 3.8 miles of shoreline. DNR surveys put average water clarity at about 16.8 feet, which is exceptionally clear for Minnesota.
Minnesota DNR fisheries surveys list 8 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.
Public access is carry-in only — plan on a canoe, kayak or small boat you can hand-launch.
Plan Your Visit to Twenty-one Lake
- 142 acres, up to 47 feet deep, near Erhard
- Carry-in access only — bring a boat you can hand-launch unless you confirm a ramp
- 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 16.8 feet — very clear
Access & Fees
- Public access
- Carry-in access only
- Launch fee
- Permit or fee required
- Managed by
- Minnesota DNR
Conditions
- Surface area
- 142 acres
- Max depth
- 47 ft
- Shoreline
- 3.8 mi
- Water clarity
- 16.8 ft
- Shallows (under 15 ft)
- 50 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
- Recorded accesses require a permit or fee
Facilities
- 1 carry-in access
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
- 8
- Game fish
- 5
- Stocked
- No
- Last DNR survey
- 2018
- Special regulations
- Yes
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- No
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 Twenty-one Lake
Compare Twenty-one Lake against the top-ranked lakes nearby, then map your route.
Nearby Lakes
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Beers Lake
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Anderson Lake
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South Lida Lake
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Fladmark Lake
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Tonseth Lake
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3.5 miles away
Frequently Asked Questions
Where is Twenty-one Lake?
Twenty-one Lake is in Otter Tail County, Minnesota, near Erhard. It covers 142 acres and reaches 47 feet deep.
How big and how deep is Twenty-one Lake?
Twenty-one Lake covers 142 acres with about 3.8 miles of shoreline. Its maximum depth is 47 feet.
What fish can you catch at Twenty-one 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 Twenty-one Lake?
Public access is on record, but not a trailer ramp: carry-in access only.
Can you swim at Twenty-one Lake?
There is no mapped public swim beach at Twenty-one 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 Twenty-one Lake stocked?
The DNR has no stocking report on file for Twenty-one Lake; its fishery is sustained by natural reproduction or has not been stocked recently.
Are there special fishing regulations on Twenty-one Lake?
Yes. Possession limit five. Catch-and-release only. Additional lake-specific rules apply; check the DNR regulations before you fish.