Horseshoe Lake
Aitkin County, Minnesota, near Tamarack. DNR lake ID 01003400.
Horseshoe Lake is a 240.1-acre lake in Aitkin County, Minnesota, near Tamarack. Its deepest point reaches 12 ft, and about 100% of the lake is shallower than 15 feet. Summer water clarity averages 3.2 feet in Minnesota Pollution Control Agency monitoring, which places it in the eutrophic nutrient class. It is not on the DNR infested waters list as of September 2026. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
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Quick facts
| DNR lake ID | 01003400 |
|---|---|
| County | Aitkin County, near Tamarack |
| Surface area | 240.1 acres |
| Maximum depth | 12 ft |
| Mean depth | 7.0 ft |
| Share under 15 ft | 100% |
| Water clarity (summer) | 3.2 ft through 2025 |
| Phosphorus (summer) | 40.8 µg/L |
| Algae, chlorophyll-a (summer) | 20.8 µg/L |
| Nutrient class | Eutrophic |
| Clarity trend | Steady (2016 to 2025) |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 0 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 3.2 ft, phosphorus 40.8 µg/L, algae (chlorophyll-a) 20.8 µg/L. Using the Carlson trophic state index, Horseshoe Lake rates as eutrophic. Summer clarity trend 2016 to 2025: steady.
Fishing on Horseshoe Lake
The most recent DNR standard fish survey was in 2022 (4 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 | 2.0 | 1.5 to 5.8 |
| Walleye | trap | 0.56 | 0.3 to 0.8 |
| Northern pike | gill | 6.25 | 4.6 to 11.6 |
| Northern pike | trap | 1.11 | n/a |
| Yellow perch | gill | 11.25 | 8.0 to 40.3 |
| Yellow perch | trap | 0.11 | 0.8 to 4.5 |
| Black crappie | gill | 20.0 | 1.0 to 7.3 |
| Black crappie | trap | 4.89 | 0.8 to 6.5 |
| Bluegill | gill | 0.5 | n/a |
| Bluegill | trap | 11.67 | 2.5 to 25.0 |
| Largemouth bass | trap | 0.11 | 0.3 to 0.9 |
| Pumpkinseed | trap | 1.11 | 1.4 to 8.6 |
| Hybrid sunfish | trap | 0.11 | n/a |
Walleye catch was within the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Largemouth bass 15.0 in (2022), Northern pike 30.0 in (2022), Walleye 27.0 in (2022).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Bowfin, Yellow bullhead, Brown bullhead, Black bullhead.
Fishing regulations
- Walleye limit 3. Sunfish daily limit 10. (Minnesota Rules 6264.0400, April 2026)
Regulations change. Confirm with the DNR before fishing.
Invasive species
Not on the Minnesota DNR infested waters list as of September 2026. That means no confirmed listing, not a guarantee the lake is free of invasive species.
Public boat access
No public water access on DNR record.
Nearby lakes
- Island Lake 1.5 mi, Aitkin County
- Round Lake 1.6 mi, Aitkin County
- Anderson Lake 1.8 mi, Aitkin County
- Minnewawa Lake 2.4 mi, Aitkin County
- Big Sandy Lake 3.8 mi, Aitkin County
- Sandy River 5.1 mi, Aitkin County
- Glacier Lake 5.2 mi, Aitkin County
- Flowage 5.7 mi, Aitkin County
Questions about Horseshoe Lake
How deep is Horseshoe Lake?
Horseshoe Lake reaches a maximum depth of 12 ft according to Minnesota DNR records. About 100% of the lake is shallower than 15 feet.
How big is Horseshoe Lake?
Horseshoe Lake covers about 240.1 acres in Aitkin County, Minnesota.
How clear is Horseshoe Lake?
Summer water clarity on Horseshoe Lake averages 3.2 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is eutrophic.
Does Horseshoe Lake have zebra mussels or other invasive species?
Horseshoe Lake is not on the Minnesota DNR infested waters list as of September 2026. That means there is no confirmed listing; it is not a guarantee the lake is free of invasive species.
What fish are in Horseshoe Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, bowfin, yellow bullhead in Horseshoe Lake. The most recent standard survey was in 2022.
How is the walleye population on Horseshoe Lake?
In Minnesota DNR net surveys from 1994 to 2022, walleye numbers on Horseshoe 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 Horseshoe Lake?
Homes on Horseshoe 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 Horseshoe Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Horseshoe Lake?
Small, quiet water suited to paddling and fishing, about 100% shallow shoreline under 15 feet, and summer clarity around 3.2 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Horseshoe Lake?
Yes. Walleye limit 3. Sunfish daily limit 10.
Ask us about Horseshoe Lake
Whether you’re buying, selling, or just curious, our team works Aitkin County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2022), 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.