Cedartree Lake
49.3039° N, 93.8668° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Cedartree Lake, Ontario. 49.3039° N, 93.8668° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/cedartree-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.
- Aquatic Resource Area survey 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.
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Cedartree Lake covers 5.4 km², making it larger than 92% of the 18,731 lakes in Ontario. It lies 11 km southeast of Whitefish Bay.
Government surveys have recorded 14 fish species here, including walleye, yellow perch and northern pike.
- Area
- 5.4 km²
- larger than 92% of the 18,731 lakes in Ontario
- Shoreline
- 31.6 km
- longer than 93% of the 18,731 lakes in Ontario
- Fish species
- 14
- more than 89% of the 2,454 surveyed lakes in Ontario
- Elevation
- 330 m
Today on the water
6.3 °C
Observed at Sioux Narrows, as of 4:00 a.m. CDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 1 p.m., wind from the southeast: the southeast shore is sheltered, waves build toward the northwest shore.
| Time | 5 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/h | SE 10 | SE 10 | SE 10 | SE 20 | SE 20 | SE 20 | SE 20 | SE 15 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | |||
| Temp. °C | 4 | 6 | 10 | 13 | 14 | 13 | 14 | 13 |
| Precip. % | 20 | 20 | 20 | 30 | 30 | 10 | 10 | 10 |
Tonight: A few clouds. Wind northwest 20 km/h becoming light this evening. Low plus 4.
Weather: Sioux Narrows (local forecast), as of 4:01 a.m. CDT
Sun and moon
- Civil dawn
- 6:55 a.m.
- Sunrise
- 7:27 a.m.
- Sunset
- 6:37 p.m.
- Civil dusk
- 7:08 p.m.
- Moonrise
- 6:20 a.m.
- Moonset
- 5:56 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Fish
Sport fish by the share of the 23 government surveys (2010–2010) that recorded them.
Forage fish and other species (6)
Forage fish
- Spottail Shiner 3
- Common Shiner 2
- Blacknose Shiner 1
Other
- White Sucker 5
- Shorthead Redhorse 4
- Brown Bullhead 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 4 species from Cedartree Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Lake Whitefish | 45-50 cm | 12 | 12 | PCB |
| Northern Pike | 55-60 cm | 12 | 4 | Mercury |
| Smallmouth Bass | 35-40 cm | 16 | 4 | Mercury |
| Walleye | 40-45 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 5. Check seasons and limits before you fish.
Water
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.