Blunder Lake
48.4244° N, 90.2694° W
Depth contours from the government survey. Not for navigation.
Download the depth map (SVG)Blunder Lake, Ontario. 48.4244° N, 90.2694° W
Maximum depth 6.1 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/blunder-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.
- 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.
- Ontario Waterbody Location Identifier, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
Blunder Lake is 6.1 m deep at its deepest point, shallower than 86% of the 2,688 surveyed lakes in Ontario. It covers 1.26 km² and lies 26 km southwest of Shebandowan.
Government surveys have recorded 7 fish species here, including walleye, yellow perch and northern pike.
- Maximum depth
- 6.1 m
- shallower than 86% of the 2,688 surveyed lakes in Ontario
- Area
- 1.26 km²
- larger than 72% of the 18,731 lakes in Ontario
- Shoreline
- 6.8 km
- longer than 61% of the 18,731 lakes in Ontario
- Fish species
- 7
- more than 65% of the 2,454 surveyed lakes in Ontario
- Elevation
- 468 m
Today on the water
-1.3 °C
Observed at Kakabeka Falls, as of 8:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 8 p.m., wind from the southeast: the southeast shore is sheltered, waves build toward the northwest shore.
| Time | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. | 6 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | var. 5 | var. 5 | SE 10 | SE 10 | SE 20 | SE 20 | SE 20 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | 40 | ||||
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | |||
| Temp. °C | 3 | 10 | 13 | 11 | 9 | 9 | 7 | 7 |
| Precip. % | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Today: Clear. Becoming a mix of sun and cloud this morning. High 14. UV index 3 or moderate.
Weather: Kakabeka Falls (local forecast), as of 8:03 a.m. EDT
Sun and moon
- Civil dawn
- 7:40 a.m.
- Sunrise
- 8:12 a.m.
- Sunset
- 7:23 p.m.
- Civil dusk
- 7:54 p.m.
- Moonrise
- 7:05 a.m.
- Moonset
- 6:42 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey records a maximum depth of 6.1 m, drawn from 5 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 4 government surveys (2008–2008) that recorded them.
Forage fish and other species (3)
Forage fish
- Mimic Shiner 1
Other
- White Sucker 2
- Shorthead Redhorse 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 5 species from Blunder Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Northern Pike | 55-60 cm | 4 | Do not eat | Mercury |
| Walleye | 40-45 cm | 8 | 4 | Mercury |
| Yellow Perch | 25-30 cm | 12 | 4 | Mercury |
| Cisco (Lake Herring) | 30-35 cm | 16 | 8 | Mercury |
| White Sucker | 40-45 cm | 16 | 8 | 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 6. Check seasons and limits before you fish.