Loon Lake
Aitkin County, Minnesota, near McGregor. DNR lake ID 01002400.
Loon Lake is a 34.2-acre lake in Aitkin County, Minnesota, near McGregor. Its deepest point reaches 21 ft, and about 64% of the lake is shallower than 15 feet. Summer water clarity averages 5.7 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. It is not on the DNR infested waters list as of September 2026.
Buying or selling on Loon 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 Loon LakeWhat’s my Loon Lake property worth?Call (218) 656-6469
Quick facts
| DNR lake ID | 01002400 |
|---|---|
| County | Aitkin County, near McGregor |
| Surface area | 34.2 acres |
| Maximum depth | 21 ft |
| Share under 15 ft | 64% |
| Water clarity (summer) | 5.7 ft through 2023 |
| Phosphorus (summer) | 14.8 µg/L |
| Algae, chlorophyll-a (summer) | 10.4 µg/L |
| Nutrient class | Mesotrophic |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2023: clarity 5.7 ft, phosphorus 14.8 µg/L, algae (chlorophyll-a) 10.4 µg/L. Using the Carlson trophic state index, Loon Lake rates as mesotrophic.
Fishing on Loon 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 |
|---|
Game and panfish documented since 2005: Rainbow trout, Brook trout, Brown trout, White sucker.
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
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
- Loon Lake: 1 concrete slab launch ramp, 1 dock, 10 trailer spaces. Approximately 16 mi N of Tamarack. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Remote Lake 1.0 mi, Aitkin County
- Savanna Lake 1.6 mi, Aitkin County
- Shumway Lake 2.1 mi, Aitkin County
- Wolf Lake 2.2 mi, Aitkin County
- Cutaway Lake 2.7 mi, Aitkin County
- Wakefield Lake 2.7 mi, Aitkin County
- Glacier Lake 2.8 mi, Aitkin County
- Boot Lake 3.8 mi, Aitkin County
Questions about Loon Lake
How deep is Loon Lake?
Loon Lake reaches a maximum depth of 21 ft according to Minnesota DNR records. About 64% of the lake is shallower than 15 feet.
How big is Loon Lake?
Loon Lake covers about 34.2 acres in Aitkin County, Minnesota.
How clear is Loon Lake?
Summer water clarity on Loon Lake averages 5.7 feet (Secchi depth) in MPCA monitoring through 2023. Its trophic state is mesotrophic.
Does Loon Lake have zebra mussels or other invasive species?
Loon 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 Loon Lake?
Minnesota DNR surveys document rainbow trout, brook trout, brown trout, white sucker in Loon Lake. The most recent standard survey was in 2022.
Where is the public boat access on Loon Lake?
Loon Lake has 1 public water access site on DNR record: Loon Lake.
Are there lake homes for sale on Loon Lake?
Homes on Loon 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 Loon Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Loon Lake?
Small, quiet water suited to paddling and fishing, about 64% shallow shoreline under 15 feet, and summer clarity around 5.7 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Loon Lake?
No lake-specific regulation was found for Loon Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Loon 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.