Lake Bernard
45.7389° N, 79.3853° W
Depth contours from the 2009 government survey. Not for navigation.
Download the depth map (SVG)Lake Bernard, Ontario. 45.7389° N, 79.3853° W
Maximum depth 47 m (2009 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/lake-bernard/, 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.
- 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.
- Real-time hydrometric data, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- National Water Data Archive (HYDAT) daily means, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- 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.
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Lake Bernard is 47 m deep at its deepest point, deeper than 92% of the 2,688 surveyed lakes in Ontario. It covers 20.9 km² and lies beside Sundridge.
Government surveys have recorded 21 fish species here, including lake whitefish, yellow perch and rock bass.
- Maximum depth
- 47 msurveyed 2009
- deeper than 92% of the 2,688 surveyed lakes in Ontario
- Area
- 20.9 km²
- larger than 98% of the 18,731 lakes in Ontario
- Shoreline
- 24.4 km
- longer than 90% of the 18,731 lakes in Ontario
- Water clarity
- 5.6 mSecchi depth, 2024
- clearer than 86% of the 1,251 monitored lakes in Ontario
- Fish species
- 21
- more than 97% of the 2,454 surveyed lakes in Ontario
- Elevation
- 326 m
Today on the water
8.2 °C
Observed at Burk's Falls, as of 3:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.5 m. Around 12 p.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 4 a.m. | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | W 15 | W 15 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Waves (est.) m | 0.2 | 0.2 | 0.2 | 0.5 | ||||
| Temp. °C | 2 | 3 | 7 | 11 | 13 | 10 | 5 | 1 |
| Precip. % | 40 | 40 | 40 | 40 | 20 | 20 | 0 | 0 |
Tonight: Partly cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 30 km/h gusting to 50 becoming light this evening. Low plus 2.
Weather: Burk's Falls (local forecast), as of 3:02 a.m. EDT
Water level
Lake Bernard at Sundridge: 8.39 m at 2:00 a.m. EDT: 5 cm below the median for this time of year, below the normal range.
Normal range (25th–75th percentile, HYDAT) Last 7 days
Provisional real-time data, subject to revision. hydrometric station 02EA020
Sun and moon
- Civil dawn
- 6:56 a.m.
- Sunrise
- 7:26 a.m.
- Sunset
- 6:42 p.m.
- Civil dusk
- 7:12 p.m.
- Moonrise
- 6:18 a.m.
- Moonset
- 6:00 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
17% of Lake Bernard is shallower than 3 m, and 28% is deeper than 20 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 2009 records a maximum depth of 47 m, drawn from 206 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.
Fish
Sport fish by the share of the 86 government surveys (1971–2013) that recorded them.
Forage fish and other species (11)
Forage fish
- Rainbow Smelt 34
- Trout-Perch 19
- Slimy Sculpin 7
- Bluntnose Minnow 5
- Brook Stickleback 1
- Common Shiner 1
- Creek Chub 1
- Golden Shiner 1
- Lake Chub 1
Other
- White Sucker 53
- Brown Bullhead 16
Numbers are the surveys that recorded each species.
Stocking
Lake Trout23,316 fish in 6 years, most recently 2025
All stocking records (6)
| Year | Species | Fish | Stage |
|---|---|---|---|
| 2025 | Lake Trout | 2,540 | Yearlings |
| 2024 | Lake Trout | 3,400 | Yearlings |
| 2022 | Lake Trout | 7,790 | Yearlings |
| 2020 | Lake Trout | 2,000 | Yearlings |
| 2019 | Lake Trout | 4,000 | Yearlings |
| 2017 | Lake Trout | 3,586 | Yearlings |
Eating your catch
The provincial guide to eating fish (2026) sets limits for 5 species from Lake Bernard. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Brook Trout | 30-35 cm | 16 | 8 | Mercury |
| Lake Trout | 50-55 cm | 12 | 4 | Mercury |
| Lake Whitefish | 45-50 cm | 16 | 8 | Mercury |
| Smallmouth Bass | 35-40 cm | 8 | Do not eat | Mercury |
| Yellow Perch | 20-25 cm | 16 | 4 | Mercury |
* As defined in the guide, including children and people who are or may become pregnant. Limits are for the length the guide lists most often; they change with the size of the fish. Read the official guide
Fishing regulations: Fisheries Management Zone 15. Check seasons and limits before you fish.
Water
Clarity was measured with a Secchi disk in 23 years between 1997 and 2024; the latest annual mean is 5.6 m.
Getting on the water
3 listed access points, 2 of them boat launches; 2 with parking listed. marks launches on the map.
North shore
- Bernard Lake - Sundridge
Southeast shore
- Pool Lake
Southwest shore
- Bernard Lake - High Rock
Follow this lake
Every Friday by email: the Environment Canada forecast, the water level at the nearest gauge and any weather alerts in effect.