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Three Mount Lake

49.4109° N, 88.5389° W

Three Mount Lake, Ontario. 49.4109° N, 88.5389° W

Not for navigation. Depths are from government surveys and may be outdated.

borealbound.ca/lakes/on/three-mount-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.
  • 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).

Three Mount Lake covers 1.15 km², Ontario. It lies 30 km west of Macdiarmid.

Area
1.15 km²
Shoreline
7.1 km
Elevation
273 m

Today on the water

2.8 °C

Wind W 2 km/h

Observed at Greenstone (Beardmore), as of 4:00 a.m. EDT

Time5 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/hW 10var. 5var. 5S 10SE 10SE 20SE 20SE 30
Gusts km/h4050
Temp. °C32611121188
Precip. %20000002020

Tonight: Cloudy. 40 percent chance of showers early this evening. Clearing near midnight. Wind west 30 km/h gusting to 50 becoming north 20 then light this evening. Low plus 2.

Weather: Greenstone (Beardmore) (local forecast), as of 4:02 a.m. EDT

Sun and moon

Civil dawn
7:34 a.m.
Sunrise
8:06 a.m.
Sunset
7:15 p.m.
Civil dusk
7:47 p.m.
Moonrise
6:58 a.m.
Moonset
6:34 p.m.
Moon
Waning crescent, 1% lit