Williamson Lake
46.4187° N, 83.1689° W
Depth contours from the 1971 government survey. Not for navigation.
Download the depth map (SVG)Williamson Lake, Ontario. 46.4187° N, 83.1689° W
Maximum depth 9.1 m (1971 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/williamson-lake-near-blind-river/, compiled October 9, 2026
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
- Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
- Fisheries Management Zones, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Bathymetry lines and survey index, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
Williamson Lake is 9.1 m deep at its deepest point, shallower than 76% of the 2,688 surveyed lakes in Ontario. It covers 3.28 km² and lies 7.3 km northeast of Parkinson.
- Maximum depth
- 9.1 msurveyed 1971
- shallower than 76% of the 2,688 surveyed lakes in Ontario
- Area
- 3.28 km²
- larger than 87% of the 18,731 lakes in Ontario
- Shoreline
- 20.8 km
- longer than 88% of the 18,731 lakes in Ontario
- Elevation
- 263 m
Today on the water
9.5 °C
Observed at Blind River, as of 5:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 8 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 6 a.m. | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 10 | NW 20 | NW 20 | NW 10 | var. 5 | var. 5 | SE 10 | E 10 |
| Gusts km/h | 40 | |||||||
| Waves (est.) m | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | |||
| Temp. °C | 7 | 8 | 12 | 15 | 15 | 13 | 8 | 5 |
| Precip. % | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 0 |
Tonight: Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm after midnight. Low 7.
Weather: Blind River (local forecast), as of 5:01 a.m. EDT
Sun and moon
- Civil dawn
- 7:11 a.m.
- Sunrise
- 7:42 a.m.
- Sunset
- 6:57 p.m.
- Civil dusk
- 7:27 p.m.
- Moonrise
- 6:34 a.m.
- Moonset
- 6:15 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey from 1971 records a maximum depth of 9.1 m, drawn from 7 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
Not for navigation. Depths are from government surveys and may be outdated.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.