Northern Light Lake
48.2445° N, 90.6759° W
Depth contours from the 1974 government survey. Not for navigation.
Download the depth map (SVG)Northern Light Lake, Ontario. 48.2445° N, 90.6759° W
Maximum depth 39.6 m (1974 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/northern-light-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.
- 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.
- Bathymetry lines and survey index, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
Northern Light Lake is 39.6 m deep at its deepest point, deeper than 88% of the 2,688 surveyed lakes in Ontario. It covers 66.6 km² and lies 7.1 km east of Saganaga Lake.
Government surveys have recorded 14 fish species here, including walleye, lake whitefish and smallmouth bass.
- Maximum depth
- 39.6 msurveyed 1974
- deeper than 88% of the 2,688 surveyed lakes in Ontario
- Area
- 66.6 km²
- larger than 99% of the 18,731 lakes in Ontario
- Shoreline
- 297 km
- longer than 99% of the 18,731 lakes in Ontario
- Fish species
- 14
- more than 89% of the 2,454 surveyed lakes in Ontario
- Elevation
- 438 m
Sun and moon today
- Civil dawn
- 7:42 a.m.
- Sunrise
- 8:13 a.m.
- Sunset
- 7:25 p.m.
- Civil dusk
- 7:56 p.m.
- Moonrise
- 7:06 a.m.
- Moonset
- 6:44 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey from 1974 records a maximum depth of 39.6 m, drawn from 202 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 74 government surveys (2008–2013) that recorded them.
Forage fish and other species (5)
Forage fish
- Rainbow Smelt 15
- Ninespine Stickleback 3
- Trout-Perch 3
Other
- White Sucker 14
- Longnose Sucker 6
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 8 species from Northern Light Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Lake Trout | 50-55 cm | 16 | 4 | Mercury, PCB |
| Lake Whitefish | 45-50 cm | 16 | 8 | Mercury |
| Northern Pike | 55-60 cm | 8 | 4 | Mercury |
| Smallmouth Bass | 35-40 cm | 8 | 4 | Mercury |
| Walleye | 40-45 cm | 8 | Do not eat | Mercury |
| Burbot (Ling) | 60-65 cm | 8 | 4 | Mercury |
| Cisco (Lake Herring) | 30-35 cm | 16 | 16 | Precautionary |
| White Sucker | 40-45 cm | 16 | 16 | Precautionary |
* 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.
Getting on the water
4 listed boat launches; 3 with parking listed. marks launches on the map.
East shore
- Northern Light Lake Access
- Northern Lights North Access
Southeast shore
- Northern Lights South Access
- Northern Lights West Access