Grenadier Pond
43.6417° N, 79.4673° W
Depth contours from the 1976 government survey. Not for navigation.
Download the depth map (SVG)Grenadier Pond, Ontario. 43.6417° N, 79.4673° W
Maximum depth 6.1 m (1976 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/grenadier-pond/, 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.
- 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.
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Grenadier Pond is 6.1 m deep at its deepest point, shallower than 86% of the 2,688 surveyed lakes in Ontario. It covers 0.15 km² and lies beside Swansea.
Government surveys have recorded 17 fish species here, including pumpkinseed, yellow perch and largemouth bass.
- Maximum depth
- 6.1 msurveyed 1976
- shallower than 86% of the 2,688 surveyed lakes in Ontario
- Area
- 0.15 km²
- smaller than 88% of the 18,731 lakes in Ontario
- Shoreline
- 2.5 km
- shorter than 83% of the 18,731 lakes in Ontario
- Water clarity
- 0.9 mSecchi depth, 2025
- less clear than 99% of the 1,251 monitored lakes in Ontario
- Fish species
- 17
- more than 96% of the 2,454 surveyed lakes in Ontario
- Elevation
- 76 m
Today on the water
9.9 °C
Observed at Toronto Island, as of 5:00 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 | 6 a.m. | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | NW 20 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Waves (est.) m | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | |||
| Temp. °C | 7 | 11 | 15 | 18 | 17 | 12 | 9 | 7 |
| Precip. % | 20 | 20 | 20 | 20 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud. Wind becoming northwest 30 km/h gusting to 50 this morning. High 19. UV index 4 or moderate.
Weather: Toronto Island (local forecast), as of 5:01 a.m. EDT
Sun and moon
- Civil dawn
- 6:56 a.m.
- Sunrise
- 7:24 a.m.
- Sunset
- 6:44 p.m.
- Civil dusk
- 7:13 p.m.
- Moonrise
- 6:17 a.m.
- Moonset
- 6:03 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
3 low risk
Toronto Downtown, as of 4:00 a.m. EDT
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey from 1976 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 45 government surveys (1934–2004) that recorded them.
Forage fish and other species (9)
Forage fish
- Golden Shiner 20
- Banded Killifish 1
- Common Shiner 1
- Emerald Shiner 1
Other
- Brown Bullhead 21
- White Perch 12
- Common Carp 11
- White Sucker 8
- Goldfish 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 7 species from Grenadier Pond. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Black Crappie | 20-25 cm | 16 | 4 | Mercury |
| Bluegill | 15-20 cm | 16 | 16 | Precautionary |
| Largemouth Bass | 30-35 cm | 16 | 12 | Precautionary |
| Pumpkinseed | 15-20 cm | 16 | 16 | Precautionary |
| Yellow Perch | 15-20 cm | 16 | 16 | Precautionary |
| Brown Bullhead | 25-30 cm | 8 | 8 | PCB |
| Common Carp | 55-60 cm | 8 | 8 | PCB |
* 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 16. Check seasons and limits before you fish.
Water
Clarity was measured with a Secchi disk in 19 years between 2001 and 2025; the latest annual mean is 0.9 m.
Getting on the water
1 listed access point.
- High Park Grenadier Pond
Photos
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Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.