Mary Lake
48.8919° N, 80.8292° W
Mary Lake, Ontario. 48.8919° N, 80.8292° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/mary-lake-near-iroquois-falls/, 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.
- Aquatic Resource Area survey points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fish stocking for recreational purposes, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fishing access points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- 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).
Mary Lake covers 0.33 km², Ontario. It lies 18 km northwest of Iroquois Falls.
Government surveys have recorded 1 fish species here: splake.
- Area
- 0.33 km²
- Shoreline
- 5.2 km
- Fish species
- 1
- Elevation
- 267 m
Today on the water
3.5 °C
Observed at Timmins, as of 4:00 a.m. EDT
| Time | 5 a.m. | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | var. 5 | W 20 | NW 20 | W 20 | W 10 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 40 | 40 | ||||||
| Temp. °C | 0 | 1 | 5 | 8 | 9 | 4 | 1 | 1 |
| Precip. % | 20 | 20 | 20 | 0 | 0 | 0 | 0 | 0 |
Tonight: Cloudy. 60 percent chance of showers this evening. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low zero.
Weather: Timmins (local forecast), as of 4:05 a.m. EDT
Sun and moon
- Civil dawn
- 7:03 a.m.
- Sunrise
- 7:34 a.m.
- Sunset
- 6:45 p.m.
- Civil dusk
- 7:16 p.m.
- Moonrise
- 6:25 a.m.
- Moonset
- 6:03 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Fish
- SplakeStocked
Stocking
Splake6,421 fish in 5 years, most recently 2025
All stocking records (5)
| Year | Species | Fish | Stage |
|---|---|---|---|
| 2025 | Splake | 1,115 | Yearlings |
| 2023 | Splake | 1,450 | Yearlings |
| 2021 | Splake | 1,450 | Yearlings |
| 2019 | Splake | 1,233 | Yearlings |
| 2017 | Splake | 1,173 | Yearlings |
Fishing regulations: Fisheries Management Zone 8. Check seasons and limits before you fish.
Getting on the water
2 listed access points.
- Shore access
- Shore access
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.