Portage Lake
45.9024° N, 80.5522° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Portage Lake, Ontario. 45.9024° N, 80.5522° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/portage-lake-near-french-river/, 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.
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
Portage Lake covers 0.58 km², making it larger than 54% of the 18,731 lakes in Ontario. It lies beside Ludgate.
Government surveys have recorded 10 fish species here, including walleye, bluegill and largemouth bass.
- Area
- 0.58 km²
- larger than 54% of the 18,731 lakes in Ontario
- Shoreline
- 7 km
- longer than 62% of the 18,731 lakes in Ontario
- Water clarity
- 3.4 mSecchi depth, 1998
- less clear than 55% of the 1,251 monitored lakes in Ontario
- Fish species
- 10
- more than 73% of the 2,454 surveyed lakes in Ontario
- Elevation
- 178 m
Sun and moon today
- Civil dawn
- 7:01 a.m.
- Sunrise
- 7:31 a.m.
- Sunset
- 6:47 p.m.
- Civil dusk
- 7:16 p.m.
- Moonrise
- 6:23 a.m.
- Moonset
- 6:05 p.m.
- Moon
- Waning crescent, 1% lit
Fish
Sport fish by the share of the 10 government surveys (2017–2018) that recorded them.
Forage fish and other species (5)
Forage fish
- Fathead Minnow 1
Other
- Brown Bullhead 1
- Northern Brook Lamprey 1
- Sea Lamprey 1
- White Sucker 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 3 species from Portage Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Black Crappie | 25-30 cm | 8 | Do not eat | Mercury |
| Northern Pike | 55-60 cm | 4 | Do not eat | Mercury |
| Brown Bullhead | 25-30 cm | 16 | 12 | 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 15. Check seasons and limits before you fish.
Water
Clarity was measured with a Secchi disk in 3 years between 1995 and 1998; the latest annual mean is 3.4 m.