Mountain Lake
48.3247° N, 84.4547° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Mountain Lake, Ontario. 48.3247° N, 84.4547° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/mountain-lake-near-goudreau/, 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.
- 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).
Mountain Lake covers 1.1 km², making it larger than 69% of the 18,731 lakes in Ontario. It lies 7.8 km northeast of Goudreau.
Government surveys have recorded 8 fish species here, including lake trout and burbot.
- Area
- 1.1 km²
- larger than 69% of the 18,731 lakes in Ontario
- Shoreline
- 6.3 km
- longer than 59% of the 18,731 lakes in Ontario
- Fish species
- 8
- more than 65% of the 2,454 surveyed lakes in Ontario
- Elevation
- 390 m
Today on the water
2.1 °C
Observed at Wawa, as of 9:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 11 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.
| 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 | var. 5 | W 20 | W 20 | SW 10 | SE 10 | SE 10 | SE 10 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | |||
| Temp. °C | 5 | 8 | 11 | 9 | 5 | 2 | 4 | 7 |
| Precip. % | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 30 |
Today: A mix of sun and cloud. 30 percent chance of showers early this morning. Clearing this afternoon. Wind becoming west 20 km/h gusting to 40 late this morning. High 12. UV index 3 or moderate.
Weather: Wawa (local forecast), as of 9:02 a.m. EDT
Sun and moon
- Civil dawn
- 7:17 a.m.
- Sunrise
- 7:48 a.m.
- Sunset
- 7:00 p.m.
- Civil dusk
- 7:31 p.m.
- Moonrise
- 6:40 a.m.
- Moonset
- 6:19 p.m.
- Moon
- Waning crescent, 1% lit
Fish
Sport fish by the share of the 6 government surveys (2012–2021) that recorded them.
Forage fish and other species (6)
Forage fish
- Northern Pearl Dace 2
- Brook Stickleback 1
- Finescale Dace 1
- Iowa Darter 1
- Lake Chub 1
Other
- White Sucker 4
Numbers are the surveys that recorded each species.
Fishing regulations: Fisheries Management Zone 7. Check seasons and limits before you fish.
Getting on the water
1 listed boat launch. marks launches on the map.
- Boat launch