Tom Thomson Lake
45.6311° N, 78.7314° W
Tom Thomson Lake, Ontario. 45.6311° N, 78.7314° W
Maximum depth 27.4 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/tom-thomson-lake/, 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).
- Air Quality Health Index observations and forecasts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- Ontario Waterbody Location Identifier, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
Tom Thomson Lake is 27.4 m deep at its deepest point. It covers 1.53 km² and lies 31 km east of Kearney, Ontario.
- Maximum depth
- 27.4 m
- Area
- 1.53 km²
- Shoreline
- 11.3 km
- Elevation
- 421 m
Today on the water
6.2 °C
Observed at Algonquin Park (Lake of Two Rivers), as of 9:00 a.m. EDT
| Time | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. | 4 a.m. | 7 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Temp. °C | 6 | 10 | 12 | 9 | 4 | -1 | -3 | -2 |
| Precip. % | 40 | 40 | 20 | 20 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud. 40 percent chance of showers this morning and early this afternoon. Wind becoming northwest 30 km/h gusting to 50 near noon. High 12. UV index 3 or moderate.
Weather: Algonquin Park (Lake of Two Rivers) (local forecast), as of 9:02 a.m. EDT
Sun and moon
- Civil dawn
- 6:53 a.m.
- Sunrise
- 7:23 a.m.
- Sunset
- 6:39 p.m.
- Civil dusk
- 7:09 p.m.
- Moonrise
- 6:15 a.m.
- Moonset
- 5:58 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
1 low risk
Dorset, as of 8:00 a.m. EDT
Depth
The government depth survey records a maximum depth of 27.4 m, drawn from 33 depth contours.
Not for navigation. Depths are from government surveys and may be outdated.