BorealBoundFrançais

Duncan Lake

44.4082° N, 80.5016° W

Duncan Lake, Ontario. 44.4082° N, 80.5016° W

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 Depths are from government surveys and may be outdated.

borealbound.ca/lakes/on/duncan-lake-near-blue-mountains/, 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).

Duncan Lake covers 0.27 km², Ontario. It lies 11 km southwest of Blue Mountains.

Area
0.27 km²
Shoreline
2.2 km
Elevation
421 m

Today on the water

5.7 °C

Wind SSW 8 km/h

Observed at Collingwood, as of 6:00 a.m. EDT

Time7 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/hNW 20NW 20NW 30NW 30NW 15var. 5var. 5SE 10
Gusts km/h40405050
Temp. °C59131512964
Precip. %4040402020000

Today: A mix of sun and cloud. 40 percent chance of showers this morning and early this afternoon. Wind northwest 30 km/h gusting to 50. High 15. UV index 4 or moderate.

Weather: Collingwood (local forecast), as of 6:00 a.m. EDT

Sun and moon

Civil dawn
7:00 a.m.
Sunrise
7:29 a.m.
Sunset
6:48 p.m.
Civil dusk
7:17 p.m.
Moonrise
6:22 a.m.
Moonset
6:06 p.m.
Moon
Waning crescent, 1% lit