Montreuil Lake
46.4317° N, 78.9078° W
Montreuil Lake, Ontario. 46.4317° N, 78.9078° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/montreuil-lake-near-mattawa/, 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.
- Fisheries Management Zones, 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).
Montreuil Lake covers 0.18 km², Ontario. It lies 21 km northwest of Mattawa.
Government surveys have recorded 1 fish species here: brook trout.
- Area
- 0.18 km²
- Shoreline
- 2.5 km
- Fish species
- 1
- Elevation
- 304 m
Today on the water
4.7 °C
Observed at North Bay, as of 6:08 a.m. EDT
| Time | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. | 4 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | var. 5 | NW 15 | NW 20 | NW 20 | NW 20 | var. 5 | SE 10 | SE 10 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Temp. °C | 4 | 6 | 10 | 11 | 9 | 7 | 3 | 0 |
| Precip. % | 40 | 30 | 30 | 20 | 0 | 0 | 0 | 0 |
Today: Cloudy with 40 percent chance of showers this morning and early this afternoon then a mix of sun and cloud. Wind becoming northwest 20 km/h gusting to 40 late this morning. High 11. UV index 2 or low.
Weather: North Bay (local forecast), as of 6:09 a.m. EDT
Sun and moon
- Civil dawn
- 6:54 a.m.
- Sunrise
- 7:24 a.m.
- Sunset
- 6:39 p.m.
- Civil dusk
- 7:10 p.m.
- Moonrise
- 6:16 a.m.
- Moonset
- 5:58 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
1 low risk
North Bay, as of 4:00 a.m. EDT
Follow this lake by email: a weekly summary of conditions.
Fish
- Brook TroutStocked
Stocking
Brook Trout3,500 fish in 4 years, most recently 2024
All stocking records (4)
| Year | Species | Fish | Stage |
|---|---|---|---|
| 2024 | Brook Trout | 1,000 | Yearlings |
| 2022 | Brook Trout | 500 | Yearlings |
| 2021 | Brook Trout | 1,000 | Yearlings |
| 2018 | Brook Trout | 1,000 | Yearlings |
Fishing regulations: Fisheries Management Zone 11. Check seasons and limits before you fish.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.