Long Lake is a cold, clear oligotrophic lake in Cheboygan County, Michigan. Water quality is graded A based on 1 sampling years through 2022. The lake supports 40 documented fish species including Blackchin shiner, Blacknose shiner, and Blackside darter. Public access is available with 1 public boat landing. Compared to the 6 other monitored lakes in Cheboygan County, Long Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2022-08-24. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 18 ft down. Trophic State Index: 35.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 18 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 35 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Long Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Long Lake
Recreation & Access
Location & Depth Map
Free interactive depth-contour map of Long Lake, reaching a maximum surveyed depth of 61 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #3 of 7 lakes in Cheboygan County
Nearby Lakes in Cheboygan County
Explore Long Lake across LakeGrade
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Fish species and best lakes in Cheboygan County
Species activity outlook by water temperature and season
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Low nutrients, clear water, excellent for swimming
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More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2022-08-24
Monitoring stations: 1