Grant Lake
Beltrami County, Minnesota, near Wilton (Beltrami). DNR lake ID 04021700.
Grant Lake is a 213.7-acre lake in Beltrami County, Minnesota, near Wilton (Beltrami). Its deepest point reaches 92 ft, and about 40% of the lake is shallower than 15 feet. Summer water clarity averages 10.4 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. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
Buying or selling on Grant 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.
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Quick facts
| DNR lake ID | 04021700 |
|---|---|
| County | Beltrami County, near Wilton (Beltrami) |
| Surface area | 213.7 acres |
| Maximum depth | 92 ft |
| Share under 15 ft | 40% |
| Water clarity (summer) | 10.4 ft through 2024 |
| Phosphorus (summer) | 14.1 µg/L |
| Algae, chlorophyll-a (summer) | 2.9 µg/L |
| Nutrient class | Mesotrophic |
| Clarity trend | Clearer (2016 to 2024) |
| 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 2024: clarity 10.4 ft, phosphorus 14.1 µg/L, algae (chlorophyll-a) 2.9 µg/L. Using the Carlson trophic state index, Grant Lake rates as mesotrophic. Summer clarity trend 2016 to 2024: clearer.
Fishing on Grant 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 |
|---|---|---|---|
| Northern pike | trap | 0.33 | n/a |
| Yellow perch | trap | 0.33 | 0.4 to 2.3 |
| Black crappie | trap | 1.0 | 0.5 to 2.2 |
| Bluegill | trap | 12.89 | 7.7 to 43.4 |
| Largemouth bass | trap | 0.22 | 0.4 to 1.5 |
| Pumpkinseed | trap | 0.44 | 1.4 to 5.9 |
Largest fish measured in recent DNR samples: Largemouth bass 6.0 in (2022), Northern pike 23.0 in (2022), Walleye 25.0 in (2012).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, Tullibee (cisco), Bowfin, 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
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
- Grant Lake: 1 concrete slab launch ramp, 1 dock, 6 trailer spaces. From Hwy 2 go on Co Hwy 14 to Dewey Ave SW to Grant Lake Lane SW, in Roglien Memorial Park Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Grass Lake 2.7 mi, Beltrami County
- Bootleg Lake 2.8 mi, Beltrami County
- Miller Lake 3.4 mi, Beltrami County
- Manomin Lake 4.5 mi, Beltrami County
- Irving Lake 6.1 mi, Beltrami County
- Marquette Lake 6.4 mi, Beltrami County
- Carr Lake 6.4 mi, Beltrami County
- Newman Lake 7.0 mi, Hubbard County
Questions about Grant Lake
How deep is Grant Lake?
Grant Lake reaches a maximum depth of 92 ft according to Minnesota DNR records. About 40% of the lake is shallower than 15 feet.
How big is Grant Lake?
Grant Lake covers about 213.7 acres in Beltrami County, Minnesota.
How clear is Grant Lake?
Summer water clarity on Grant Lake averages 10.4 feet (Secchi depth) in MPCA monitoring through 2024. Its trophic state is mesotrophic.
Does Grant Lake have zebra mussels or other invasive species?
Grant 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 Grant Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass, green sunfish in Grant Lake. The most recent standard survey was in 2022.
Where is the public boat access on Grant Lake?
Grant Lake has 1 public water access site on DNR record: Grant Lake.
Are there lake homes for sale on Grant Lake?
Homes on Grant 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 Grant Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Grant Lake?
Small, quiet water suited to paddling and fishing, about 40% shallow shoreline under 15 feet, and summer clarity around 10.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Grant Lake?
No lake-specific regulation was found for Grant Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Grant Lake
Whether you’re buying, selling, or just curious, our team works Beltrami 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.