Six Mile Lake
Muskoka District, OntarioView mapDirections
Ontario MECP publishes the water-quality measurements for Six Mile Lake. Here is what has been measured.
- 103 ft max depth
- Limited data
Six Mile Lake in Muskoka District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 4.9 m visibility.
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Six Mile Lake is a lake in Muskoka District County, Ontario with an estimated average depth of about 103 feet.
Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2025-10-14. Grade methodology: LakeQuality methodology.
What Six Mile Lake is good for
From access and monitoring records, not editorial picks.
- Clear water16.1 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Six Mile Lake is safe to swim in today is a call for the Ontario Ministry of the Environment, Conservation and Parks and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Six Mile Lake
These are the measurements Ontario MECP publishes for Six Mile Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 16.1 ft down. TSI 37.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.9 m | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~31.4 m est. |
| Average Depth | ~6.7 m est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Ontario has not published bathymetry for Six Mile Lake.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fishing Six Mile Lake
Nearby Lakes in Muskoka District
Frequently asked questions about Six Mile Lake
Ask about Six Mile Lake
Answers come straight from the public measurements and survey records on this page.
Where is Six Mile Lake?
- Six Mile Lake is a lake in Muskoka District, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.
What is the water quality of Six Mile Lake?
- Six Mile Lake in Muskoka District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Water clarity: 4.9 m visibility.
Is Six Mile Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Six Mile Lake?
- No published bathymetric survey covers Six Mile Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 103 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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Where this data comes from
Measurements for Six Mile Lake come from Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring), not the EPA Water Quality Portal. Per-sample source details are not recorded for this lake. Contains information licensed under the Open Government Licence – Ontario. See data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)