Lorimer Lake
45.5448° N, 79.9585° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Lorimer Lake, Ontario. 45.5448° N, 79.9585° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/lorimer-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.
- 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.
- 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).
- Air Quality Health Index observations and forecasts, 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.
Lorimer Lake covers 6.45 km², making it larger than 93% of the 18,731 lakes in Ontario. It lies 2 km northwest of McKellar.
Government surveys have recorded 1 fish species here: lake trout.
- Area
- 6.45 km²
- larger than 93% of the 18,731 lakes in Ontario
- Shoreline
- 61.9 km
- longer than 96% of the 18,731 lakes in Ontario
- Water clarity
- 4.2 mSecchi depth, 2025
- clearer than 68% of the 1,251 monitored lakes in Ontario
- Fish species
- 1
- fewer than 100% of the 2,454 surveyed lakes in Ontario
- Elevation
- 246 m
Today on the water
9.8 °C
Observed at Dunchurch, as of 3:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 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 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | |||
| Temp. °C | 4 | 5 | 8 | 12 | 14 | 10 | 5 | 3 |
| 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 4.
Weather: Dunchurch (local forecast), as of 3:00 a.m. EDT
Sun and moon
- Civil dawn
- 6:58 a.m.
- Sunrise
- 7:28 a.m.
- Sunset
- 6:44 p.m.
- Civil dusk
- 7:14 p.m.
- Moonrise
- 6:20 a.m.
- Moonset
- 6:03 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
2 low risk
Parry Sound, as of 3:00 a.m. EDT
Follow this lake by email: a weekly summary of conditions.
Fish
- Lake TroutStocked
Stocking
Lake Trout5,700 fish in 5 years, most recently 2024
All stocking records (5)
| Year | Species | Fish | Stage |
|---|---|---|---|
| 2024 | Lake Trout | 1,000 | Yearlings |
| 2022 | Lake Trout | 1,200 | Yearlings |
| 2020 | Lake Trout | 1,200 | Yearlings |
| 2019 | Lake Trout | 1,200 | Yearlings |
| 2017 | Lake Trout | 1,100 | Yearlings |
Eating your catch
The provincial guide to eating fish (2026) sets limits for 3 species from Lorimer Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Largemouth Bass | 30-35 cm | 12 | 4 | Mercury |
| Northern Pike | 55-60 cm | 8 | 4 | Mercury |
| Smallmouth Bass | 30-35 cm | 4 | Do not eat | 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 29 years between 1990 and 2025; the latest annual mean is 4.2 m.
Getting on the water
2 listed access points, one of them a boat launch. marks launches on the map.
East shore
- Lorimer Lake, Grey Owl Lake
Southwest shore
- Shore access
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.