Grass Lake
44.7676° N, 79.3916° W
Grass Lake, Ontario. 44.7676° N, 79.3916° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/grass-lake-near-orillia/, 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).
- 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).
Grass Lake covers 0.88 km², Ontario. It lies 19 km north of Orillia.
Government surveys have recorded 3 fish species here: pumpkinseed, yellow perch and grass pickerel.
- Area
- 0.88 km²
- Shoreline
- 9.1 km
- Fish species
- 3
- Elevation
- 210 m
Today on the water
7 °C
Observed at Muskoka, as of 5:00 a.m. EDT
| 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 | W 15 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Temp. °C | 5 | 7 | 10 | 13 | 12 | 8 | 4 | 2 |
| Precip. % | 40 | 40 | 40 | 20 | 20 | 0 | 0 | 0 |
Today: A mix of sun and cloud with 40 percent chance of showers this morning and early this afternoon. Clearing this afternoon. Wind becoming northwest 30 km/h gusting to 50 near noon. High 14. UV index 4 or moderate.
Weather: Muskoka (local forecast), as of 5:01 a.m. EDT
Sun and moon
- Civil dawn
- 6:56 a.m.
- Sunrise
- 7:25 a.m.
- Sunset
- 6:43 p.m.
- Civil dusk
- 7:12 p.m.
- Moonrise
- 6:17 a.m.
- Moonset
- 6:01 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
1 low risk
Barrie, as of 4:00 a.m. EDT
Follow this lake by email: a weekly summary of conditions.
Fish
Sport fish by the share of the 1 government surveys (2014–2014) that recorded them.
Other species (1)
- Grass Pickerel 1
Numbers are the surveys that recorded each species.
Fishing regulations: Fisheries Management Zone 16. Check seasons and limits before you fish.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.