Inguadona Lake
About Inguadona Lake
Inguadona Lake is a 1,133-acre lake near Longville in Cass County, Minnesota. It reaches 79 feet at its deepest point, with an average depth of about 20 feet, and has roughly 11 miles of shoreline. DNR surveys put average water clarity at about 10.2 feet, clearer than most lakes in the state.
Minnesota DNR fisheries surveys list 20 fish species here, including walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, and black crappie. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. Special fishing regulations apply to black and white crappie and sunfish, and they override the statewide limits. The most recent fisheries survey on file dates to 2025.
There is one public boat launch (concrete surface) managed by the Minnesota DNR. The lake is listed as infested with zebra mussel — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 23, based on 13 years of DNR ice-out records.
Plan Your Visit to Inguadona Lake
- 1,133 acres, up to 79 feet deep, near Longville
- 1 public boat launch (concrete) — managed by the Minnesota DNR
- Game fish on the DNR survey: walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, and black crappie
- Special fishing regulations apply here and override the statewide limits
- Average water clarity around 10.2 feet
- Listed as infested with zebra mussel — clean, drain and dry before you leave
Access & Fees
- Public access
- 1 public boat launch (concrete)
- Launch fee
- Free at DNR accesses
- Managed by
- Minnesota DNR
Conditions
- Surface area
- 1,133 acres
- Max depth
- 79 ft
- Average depth
- 20 ft
- Shoreline
- 11 mi
- Water clarity
- 10.2 ft
- Shallows (under 15 ft)
- 565 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 (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
- 20
- Game fish
- 11
- Stocked
- Yes
- Last DNR survey
- 2025
- Special regulations
- Yes
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- Yes
Special regulations on this lake
- Black and White Crappie: Daily limit five.
- Sunfish: Daily limit 10.
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Ice-Out History
- Median ice-out
- April 23
- Years of record
- 13
- Earliest
- April 6, 2021
- Latest
- May 6, 2022
- Most recent
- April 23, 2026
See every lake on the ice-out tracker. Ice-out data: Minnesota DNR State Climatology Office.
Activities
Amenities
Fish Species
Plan your trip to Inguadona Lake
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Nearby Lakes
Rice Lake
45 out of 100 Lake ScoreCass · Inguadona270 acres
1.8 miles away
Cooper Lake
31 out of 100 Lake ScoreCass · Longville133 acres
3.1 miles away
Lower Trelipe Lake
54 out of 100 Lake ScoreCass · Longville618 acres
3.1 miles away
Long Lake
71 out of 100 Lake ScoreCass · Longville1,007 acres
3.6 miles away
Little Boy Lake
74 out of 100 Lake ScoreCass · Longville1,452 acres
3.6 miles away
Kego Lake
26 out of 100 Lake ScoreCass · Longville121 acres
4.1 miles away
Frequently Asked Questions
Where is Inguadona Lake?
Inguadona Lake is in Cass County, Minnesota, near Longville. It covers 1,133 acres and reaches 79 feet deep.
How big and how deep is Inguadona Lake?
Inguadona Lake covers 1,133 acres with about 11 miles of shoreline. Its maximum depth is 79 feet and its average depth is about 20 feet.
What fish can you catch at Inguadona Lake?
Minnesota DNR surveys list Walleye, Northern Pike, Muskellunge, Largemouth Bass, Smallmouth 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 Inguadona Lake?
Yes. Inguadona Lake has 1 public boat launch (concrete), managed by the Minnesota DNR. DNR public water accesses are free to use.
Can you swim at Inguadona Lake?
There is no mapped public swim beach at Inguadona 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 Inguadona Lake stocked?
Yes. The Minnesota DNR has stocking records for Inguadona Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.
Are there special fishing regulations on Inguadona Lake?
Yes. Daily limit five. Daily limit 10.
When does the ice go out on Inguadona Lake?
The median ice-out date is April 23, from 13 years of Minnesota DNR records. The earliest on record is April 6, 2021 and the latest is May 6, 2022.
Does Inguadona Lake have invasive species?
Yes. The DNR lists Inguadona Lake as infested with zebra mussel. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.