Ossawinnamakee Lake
Crow Wing County, Minnesota, near Ideal Corners. DNR lake ID 18035200.
Ossawinnamakee Lake is a 711.3-acre lake in Crow Wing County, Minnesota, near Ideal Corners. Its deepest point reaches 63 ft, and about 32% of the lake is shallower than 15 feet. Summer water clarity averages 20.4 feet in Minnesota Pollution Control Agency monitoring, which places it in the oligotrophic nutrient class. The DNR lists it for Eurasian watermilfoil, zebra mussel. DNR surveys document walleye, northern pike, largemouth bass, smallmouth bass, black crappie, bluegill.
Buying or selling on Ossawinnamakee Lake? Ask us what lakeshore here actually sells for, which stretches of shoreline buyers compete for, and what’s coming up before it’s listed.
Tell us about your dream home on Ossawinnamakee LakeWhat’s my Ossawinnamakee Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 18035200 |
|---|---|
| County | Crow Wing County, near Ideal Corners |
| Surface area | 711.3 acres |
| Maximum depth | 63 ft |
| Share under 15 ft | 32% |
| Water clarity (summer) | 20.4 ft through 2025 |
| Phosphorus (summer) | 11.3 µg/L |
| Algae, chlorophyll-a (summer) | 3.0 µg/L |
| Nutrient class | Oligotrophic |
| Clarity trend | Steady (2016 to 2025) |
| Invasive species | Eurasian watermilfoil, zebra mussel |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 20.4 ft, phosphorus 11.3 µg/L, algae (chlorophyll-a) 3.0 µg/L. Using the Carlson trophic state index, Ossawinnamakee Lake rates as oligotrophic. Summer clarity trend 2016 to 2025: steady.
Fishing on Ossawinnamakee Lake
The most recent DNR standard fish survey was in 2021 (5 years ago). Catch per net is compared with the DNR’s typical range for lakes of the same type.
| Species | Net | Catch per net | Typical range |
|---|---|---|---|
| Walleye | gill | 1.75 | 1.3 to 5.5 |
| Northern pike | gill | 8.08 | 3.1 to 8.5 |
| Northern pike | trap | 0.25 | n/a |
| Yellow perch | gill | 0.17 | 2.5 to 24.2 |
| Black crappie | gill | 0.92 | 0.5 to 2.7 |
| Bluegill | gill | 1.58 | n/a |
| Bluegill | trap | 12.33 | 5.6 to 42.3 |
| Largemouth bass | gill | 1.42 | 0.3 to 1.2 |
| Largemouth bass | trap | 0.42 | 0.3 to 1.1 |
| Tullibee (cisco) | gill | 4.75 | 0.7 to 6.5 |
| Pumpkinseed | gill | 1.33 | n/a |
| Pumpkinseed | trap | 1.08 | 1.7 to 8.2 |
| Rock bass | gill | 4.67 | 0.3 to 2.0 |
| Rock bass | trap | 0.92 | 0.6 to 2.5 |
| Hybrid sunfish | gill | 0.67 | n/a |
| Hybrid sunfish | trap | 5.33 | n/a |
Walleye catch was within the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Smallmouth bass 11.0 in (2021), Northern pike 34.0 in (2021), Largemouth bass 17.0 in (2021), Walleye 27.0 in (2021).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Smallmouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, Tullibee (cisco), Lake whitefish, Bowfin, Shorthead redhorse, Greater redhorse, White sucker, Yellow bullhead, Brown bullhead, Black bullhead.
Fishing regulations
No lake-specific regulation found in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Regulations change. Confirm with the DNR before fishing.
Invasive species
On the Minnesota DNR infested waters list for: Eurasian watermilfoil (listed 2004), zebra mussel (listed 2004).
Public boat access
- Ossawinnamakee Lake: 1 concrete slab launch ramp, 1 dock, 12 trailer spaces. 4 miles North and East of Breezy Point on Co. Rd. #11, then 1 mile North on Co. Rd. #39. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Strawberry Lake 0.9 mi, Crow Wing County
- Kimball Lake 1.3 mi, Crow Wing County
- Shaffer Lake 1.6 mi, Crow Wing County
- Bass Lake 1.6 mi, Crow Wing County
- Clear Lake 1.8 mi, Crow Wing County
- Duck Lake 1.8 mi, Crow Wing County
- Grass Lake 1.9 mi, Crow Wing County
- Little Star Lake 2.0 mi, Crow Wing County
Questions about Ossawinnamakee Lake
How deep is Ossawinnamakee Lake?
Ossawinnamakee Lake reaches a maximum depth of 63 ft according to Minnesota DNR records. About 32% of the lake is shallower than 15 feet.
How big is Ossawinnamakee Lake?
Ossawinnamakee Lake covers about 711.3 acres in Crow Wing County, Minnesota.
How clear is Ossawinnamakee Lake?
Summer water clarity on Ossawinnamakee Lake averages 20.4 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is oligotrophic.
Does Ossawinnamakee Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Ossawinnamakee Lake for Eurasian watermilfoil, zebra mussel.
What fish are in Ossawinnamakee Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, smallmouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass in Ossawinnamakee Lake. The most recent standard survey was in 2021.
Where is the public boat access on Ossawinnamakee Lake?
Ossawinnamakee Lake has 1 public water access site on DNR record: Ossawinnamakee Lake.
How is the walleye population on Ossawinnamakee Lake?
In Minnesota DNR net surveys from 1993 to 2021, walleye numbers on Ossawinnamakee Lake ran mostly within the typical range for similar lakes. Nets measure how many fish a lake holds, not where they’re biting, so local guides are the best source for current fishing.
Are there lake homes for sale on Ossawinnamakee Lake?
Homes on Ossawinnamakee Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on Ossawinnamakee Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Ossawinnamakee Lake?
A mid-size lake with room for boating and fishing, about 32% shallow shoreline under 15 feet, and summer clarity around 20.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Ossawinnamakee Lake?
No lake-specific regulation was found for Ossawinnamakee Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Ossawinnamakee Lake
Whether you’re buying, selling, or just curious, our team works Crow Wing County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2021), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.