McCauley Lake
45.5438° N, 78.1137° W
Depth contours from the 1975 government survey. Not for navigation.
Download the depth map (SVG)McCauley Lake, Ontario. 45.5438° N, 78.1137° W
Maximum depth 27.4 m (1975 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/mccauley-lake-near-madawaska/, 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.
- 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.
- Lake Partner Program, Ontario Ministry of the Environment, Conservation and Parks. 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).
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
McCauley Lake is 27.4 m deep at its deepest point, deeper than 74% of the 2,688 surveyed lakes in Ontario. It covers 1.32 km² and lies 7 km west of Murchison.
- Maximum depth
- 27.4 msurveyed 1975
- deeper than 74% of the 2,688 surveyed lakes in Ontario
- Area
- 1.32 km²
- larger than 73% of the 18,731 lakes in Ontario
- Shoreline
- 9.6 km
- longer than 73% of the 18,731 lakes in Ontario
- Water clarity
- 3.5 mSecchi depth, 2019
- less clear than 51% of the 1,251 monitored lakes in Ontario
- Elevation
- 336 m
Today on the water
6.2 °C
Observed at Algonquin Park (Brent), as of 9:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.3 m. Around 12 p.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast 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 | W 15 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Waves (est.) m | 0.1 | 0.3 | 0.3 | 0.1 | ||||
| Temp. °C | 6 | 10 | 12 | 9 | 4 | 0 | -3 | -2 |
| Precip. % | 40 | 40 | 20 | 20 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud. 40 percent chance of showers this morning and early this afternoon. Wind becoming northwest 30 km/h gusting to 50 near noon. High 12. UV index 3 or moderate.
Weather: Algonquin Park (Brent) (local forecast), as of 9:02 a.m. EDT
Sun and moon
- Civil dawn
- 6:51 a.m.
- Sunrise
- 7:21 a.m.
- Sunset
- 6:37 p.m.
- Civil dusk
- 7:07 p.m.
- Moonrise
- 6:12 a.m.
- Moonset
- 5:56 p.m.
- Moon
- Waning crescent, 1% lit
Depth
39% of McCauley Lake is shallower than 3 m, and 24% is deeper than 10 m.
How to read it: the lake’s area is sorted from the shore to the deepest point. Where the curve is flat, large areas share one depth (flats and weed beds); where it drops, depth changes quickly (drop-offs).
The government depth survey from 1975 records a maximum depth of 27.4 m, drawn from 27 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
Not for navigation. Depths are from government surveys and may be outdated.
Getting on the water
1 listed boat launch. marks launches on the map.
- Boat launch